
Prices can move quickly or slowly, depending on how aggressive the buyers and sellers are. The price can move very quickly if someone puts out a big market buy/sell order. A market order buys or sells every share, no matter the price until the order is filled.
When does the price of a stock change?
When many people refer to a stock's price, they're referring to the price of the latest transaction. Therefore, the price changes whenever a new transaction occurs, unless that transaction is for the same price as the previous one.
What time of day do stock prices fluctuate?
U.S. stock markets open at 9:30 a.m. ET and close at 4:00 p.m. on weekdays, and during this time, stock prices fluctuate based on market sentiment. However, they can change outside of that period. Why do stock prices change after markets close?
Why do stock prices go up when interest in a stock decreases?
As a result, potential buyers must bid higher to buy the stock, and the stock price moves up. This works the other way as well. When interest in a stock declines, fewer competing bids are entered, holders are more interested in selling their stock, and the lower the winning bid price must be.
How does the after-hours market affect a stock's price?
Typically, price changes in the after-hours market have the same effect on a stock as changes in the regular market: A one-dollar increase in the after-hours market is the same as a one-dollar increase in the regular market.

How do stock prices change so quickly?
If more people want to buy a stock (demand) than sell it (supply), then the price moves up. Conversely, if more people wanted to sell a stock than buy it, there would be greater supply than demand, and the price would fall. Understanding supply and demand is easy.
Do stock prices change every minute?
Stock prices change every second according to market activity. Buyers and sellers cause prices to change and therefore prices change as a result of supply and demand.
How often is stock prices updated?
Stock prices, portfolios, and leaderboards are updated automatically every minute. We use real-time NASDAQ Last Sale stock quotes so that players can trade based on the latest prices.
What time does stock prices change?
The New York Stock Exchange (NYSE) and Nasdaq in the United States trade regularly from 9:30 a.m. to 4 p.m. ET, with the first trade in the morning creating the opening price for a stock and the final trade at 4 p.m. providing the day's closing price.
What happens if no one sells a stock?
When there are no buyers, you can't sell your shares—you'll be stuck with them until there is some buying interest from other investors. A buyer could pop in a few seconds, or it could take minutes, days, or even weeks in the case of very thinly traded stocks.
What makes a share price go up?
The main factors that determine whether a share price moves up or down are supply and demand. Essentially, if more people want to buy a share than sell it, the price will rise because the share is more sought-after (the 'demand' outstrips the 'supply').
How much can a stock rise in one day?
How much can a share price increase in a day depends on its price band. There are four price bands for stocks in India- 2%, 5%, 10% and 20%, which is decided by the stock exchange. If the price band of a company is 10%, then it can rise or fall, only 10% on that entire day of trading.
Why do stock prices change after hours?
The development of after-hours trading (AHT) has had a major effect on the price of the stock between the closing and opening bells because it means that transactions are happening and shifting the prices of stocks even after-hours.
How are stock prices determined in real time?
Stock prices are largely determined by the forces of demand and supply. Demand is the amount of shares that people want to purchase while supply is the amount of shares that people want to sell.
What is the 3 day rule in stocks?
In short, the 3-day rule dictates that following a substantial drop in a stock's share price — typically high single digits or more in terms of percent change — investors should wait 3 days to buy.
Is Friday a good day to buy stocks?
The Best Day of the Week to Buy Stocks Between the closing bell on Friday and the opening bell on Monday, a lot can happen that could cause the price of a stock to rise or fall.
What time of day are stocks lowest?
The opening 9:30 a.m. to 10:30 a.m. Eastern time (ET) period is often one of the best hours of the day for day trading, offering the biggest moves in the shortest amount of time. A lot of professional day traders stop trading around 11:30 a.m. because that is when volatility and volume tend to taper off.
Do share prices change during the day?
In the stock exchanges, the prices of stocks are fluid and constantly changing. The price quoted for a stock at any point throughout the day is simply the price that paid the last time that stock was traded.
How are stock prices determined in real time?
Stock prices are largely determined by the forces of demand and supply. Demand is the amount of shares that people want to purchase while supply is the amount of shares that people want to sell.
Who controls the price of a stock?
Generally speaking, the prices in the stock market are driven by supply and demand. This makes the stock market similar to other economic markets. When a stock is sold, a buyer and seller exchange money for share ownership. The price for which the stock is purchased becomes the new market price.
How do stocks go up and down?
Stock prices go up and down based on supply and demand. When people want to buy a stock versus sell it, the price goes up. If people want to sell a stock versus buying it, the price goes down. Forecasting whether there will be more buyers or sellers of a certain stock requires additional research, however.
Why do stocks move up?
Often a stock simply moves according to a short-term trend. On the one hand, a stock that is moving up can gather momentum, as "success breeds success" and popularity buoys the stock higher. On the other hand, a stock sometimes behaves the opposite way in a trend and does what is called reverting to the mean. Unfortunately, because trends cut both ways and are more obvious in hindsight, knowing that stocks are "trendy" does not help us predict the future.
What drives stock prices?
Stock prices are driven by a variety of factors, but ultimately the price at any given moment is due to the supply and demand at that point in time in the market. Fundamental factors drive stock prices based on a company's earnings and profitability from producing and selling goods and services. Technical factors relate to a stock's price history ...
Why is low inflation bad for stocks?
2 Deflation, on the other hand, is generally bad for stocks because it signifies a loss in pricing power for companies.
Why do you buy stock with a valuation multiple?
That's the reason for the valuation multiple: It is the price you are willing to pay for the future stream of earnings. 1:26.
What is discount rate?
The discount rate, which is used to calculate the present value of the future stream of earnings. A higher growth rate will earn the stock a higher multiple, but a higher discount rate will earn a lower multiple. What determines the discount rate? First, it is a function of perceived risk.
Where are stock prices determined?
Stock prices are determined in the marketplace, where seller supply meets buyer demand. But have you ever wondered about what drives the stock market—that is, what factors affect a stock's price? Unfortunately, there is no clean equation that tells us exactly how a stock price will behave.
Do company stocks track with the market?
Company stocks tend to track with the market and with their sector or industry peers. Some prominent investment firms argue that the combination of overall market and sector movements—as opposed to a company's individual performance—determines a majority of a stock's movement.
Learn why the stock market and individual stocks tend to fluctuate and how you can use that information to become a better investor
Tim writes about technology and consumer goods stocks for The Motley Fool. He's a value investor at heart, doing his best to avoid hyped-up nonsense. Follow him on Twitter: Follow @TMFBargainBin
What affects stock price?
High demand for a stock drives the stock price higher, but what causes that high demand in the first place? It's all about how investors feel:
The big picture is what matters
Long-term investors, like those of us at The Motley Fool, don't much care about the short-term developments that push stock prices up and down each trading day. When you have years or even decades to let your money grow, analyst reports and earnings beats are often fleeting and irrelevant.
Why do stock prices close after hours?
During after-hours and premarket trading, stock prices change for multiple factors. Company-specific factors, such as earnings announcements, can affect prices, as can global developments. Global news tends to have a more pronounced effect in premarket trading, reflecting Asian and European markets.
How after-hours trading differs from normal trading
Trades after hours are completed through electronic communication networks, without the involvement of an exchange. Also, after hours, you can't place market orders (the market isn't open), just limit orders. In the latter, you specify the price at which you want a trade to be executed.
After-hours trading is riskier
In general, after-hours trading is riskier than normal trading. As there are fewer market participants in after-hours and premarket trading, stock prices can be more volatile.
Robinhood provides after-hours trading
Robinhood offers users after-hours and premarket trading, though for shorter windows. The app allows after-hours trading from 4 p.m. to 6 p.m. ET, and premarket trading for only 30 minutes before markets open.
How does supply affect stock prices?
Because the stock market functions as an auction, when there are more buyers than there are sellers, the price has to adapt or no trades are made. This tends to drive the price upwards, increasing the market quotation at which investors can sell their shares and enticing investors to sell who had previously not been interested in selling.
Why is my trading going up?
Increased trading could be caused by an earnings report that shows good or bad financial news. It may be a major financial news event, such as an interest rate hike, or it could even be a natural disaster, such as a hurricane, that is likely to have far-reaching consequences.
What is the stock market?
The stock market is essentially an auction in which buyers and sellers negotiate prices for shares of ownership in publicly traded companies. Traders on the stock market can be individuals, governments, corporations, institutions, or asset management companies.
What happens when two parties agree on a price?
When the two parties agree upon a price, the trade is matched, and that becomes the new market quotation for the stock. The buyers and sellers can be individuals, corporations, institutions, governments, or asset management companies that are managing money for private clients, mutual funds , index funds, or pension plans.
What are the factors that affect the price of stocks?
Like any other market, supply and demand is the primary factor driving the price of stocks. Other factors, such as major financial news, natural disasters, investor reaction to company financials, or pricing speculation can cause large price fluctuations.
What does volume mean in trading?
In many cases, you won't have any idea who is on the other side of the trade. The number of shares traded is called the " trading volume ," and it can indicate how "hot" a particular stock is or how much interest there is in it from other investors. It can also give traders an idea of how easy it will be to get into or out ...
Is the stock market an auction?
The Stock Market Is an Auction. First, realize that the stock market is, in essence, an auction, with one party wanting to sell its ownership in a particular company, and another party wanting to buy ownership. When the two parties agree upon a price, the trade is matched, and that becomes the new market quotation for the stock.
How is the price of a stock determined?
The price movement of a stock is usually determined by what investors feel the company is worth, in addition to the above-listed factors. Remember: Company’s Value is never equal to stock price. One should never be making the mistake of considering that a company’s value is equal to that of the stock price.
What determines the stock price?
The earnings of a business determine the stock price. Earnings are the profits a company makes, and in the long run, it is the earnings that fuel any long-term company. Without making profits, no company can survive in the market over a long term period.
What is the last price?
The “last” is the most-recently agreed price between a buyer and seller. Normally, while trading is underway, the last price is also the best indication of true market value as it reflects the most recent meeting of the minds between a buyer and seller. In today’s market, most price match. Continue Reading.
What happens to the price of an IPO if the market doesn't agree?
Either way, other than the early stages of the IPO, it's always market forces. And even in the IPO, if the market doesn't agree, the IPO price quickly drops or falls, but the initial buyers who had committed to buying right before the IPO itself would have paid the IPO price. Related Answer. Quora User.
What is the principal theory of stock price movement?
the principal theory is that the price movement of a stock indicates what investors feel a company is worth. Don't equate a company's value with the stock price. The value of a company is its market capitalization, which is the stock price multiplied by the number of shares outstanding.
Can a stock fall on its own merits?
While a stock may rise and fall on its own merits, it may also benefit just by being in a " bull market .". If more people are investing in stocks in general, and the major indexes are rising, a stock that might otherwise be average will now be affected positively.
What could cause a decline in stock price?
One bad public announcement or news piece could cause a decline in company’s stock price. Potential – A company’s growth potential based on forecasts, analyst reports and media greatly affect the stock prices and investor perception.
What are the factors that investors consider when deciding to buy or sell stocks?
Economic Data – Economic data releases such as labor rates, consumer spending, GDP (gross domestic product – basically the total value of the goods and services in a country during the year) and interest rates are important factors that investors consider when deciding to buy or sell stocks.
What happens when economic indicators are worse than expected?
Alternatively, when these economic indicators are worse than expected, the overall market decreases in value. Wars/Conflicts – Terrorists might take over or blow up an oil field. Activists may start protesting child labor practices. Refugee crisis occur which causes multiple nations to argue.
What is price times the number of shares outstanding?
Price times the number of shares outstanding (market capitalization) is the value of a company. Comparing just the share price of two companies is meaningless. Theoretically earnings are what affect investors' valuation of a company, but there are other indicators that investors use to predict stock price. Remember, it is investors' sentiments, ...
How to determine the value of a stock?
The important things to grasp about this subject are the following: 1 At the most fundamental level, supply and demand in the market determine stock price. 2 Price times the number of shares outstanding (market capitalization) is the value of a company. Comparing just the share price of two companies is meaningless. 3 Theoretically earnings are what affect investors' valuation of a company, but there are other indicators that investors use to predict stock price. Remember, it is investors' sentiments, attitudes, and expectations that ultimately affect stock prices. 4 There are many theories that try to explain the way stock prices move the way they do. Unfortunately, there is no one theory that can explain everything.
What is the principal theory of stock price?
That being said, the principal theory is that the price movement of a stock indicates what investors feel a company is worth. Don't equate a company's value with the stock price. The value of a company is its market capitalization, which is the stock price multiplied by the number of shares outstanding. For example, a company that trades ...
How many times do companies report earnings?
If a company never makes money, they aren't going to stay in business. Public companies are required to report their earnings four times a year (once each quarter). Wall Street watches with rabid attention at these times, which are referred to as earnings seasons.
Can you predict how stocks will change?
The best answer is that nobody really knows for sure. Some believe that it isn' t possible to predict how stocks will change in price while others think that by drawing charts and looking at past price movements, you can determine when to buy and sell.
Why do potential buyers have to bid higher to buy a stock?
As a result, potential buyers must bid higher to buy the stock, and the stock price moves up. This works the other way as well.
What is the reaction of an investor to new information?
Of course, every investor reacts to new information differently, and those reactions can range widely from apathy to panic to euphoria. Depending on their reaction, investors may choose to buy more shares, hold the shares they have, or even sell.
What does "buy low and sell high" mean?
This advice is the simplest explanation for how people make money in the stock market, but it falls short in explaining why the highs and lows actually happen.
How does price change after hours affect stock?
Typically, price changes in the after-hours market have the same effect on a stock as changes in the regular market: A one-dollar increase in the after-hours market is the same as a one-dollar increase in the regular market.
What time does the stock market open?
The New York Stock Exchange and the Nasdaq Stock Market in the United States trade regularly from 9:30 a.m. to 4:00 p.m. ET, with the first trade in the morning creating the opening price for a stock and ...
What is after hours trading?
After-hours trading occurs after the market closes when an investor can buy and sell securities outside of regular trading hours. Trades in the after-hours session are completed through electronic communication networks (ECNs) that match potential buyers and sellers without using a traditional stock exchange .
What is the difference between pre-market and after-hours market?
In other words, the price you will receive is the price that someone in the after-hours or pre-market is willing to pay.
Is there a risk in trading after hours?
While there can be great benefits to investors and traders participating in after-hours markets, the risks are significant. Anyone participating in after-hours market activity should be mindful of those risks.
Do stocks open at the same price as after hours?
However, once the regular market opens for the next day's trading (when most individual investors will have the opportunity to sell), the stock may not necessarily open at the same price at which it traded in the after-hours market.

Fundamental Factors
Technical Factors
- Things would be easier if only fundamental factors set stock prices. Technical factors are the mix of external conditions that alter the supply of and demand for a company's stock. Some of these indirectly affect fundamentals. For example, economic growthindirectly contributes to earnings growth. Technical factors include the following.
News
- While it is hard to quantify the impact of news or unexpected developments inside a company, industry, or the global economy, you can't argue that it does influence investor sentiment. The political situation, negotiations between countries or companies, product breakthroughs, mergers and acquisitions, and other unforeseen events can impact stocks and the stock market. Since s…
Market Sentiment
- Market sentiment refers to the psychology of market participants, individually and collectively. This is perhaps the most vexing category. Market sentiment is often subjective, biased, and obstinate. For example, you can make a solid judgment about a stock's future growth prospects, and the future may even confirm your projections, but in the meantime, the market may myopica…
The Bottom Line
- Different types of investors depend on different factors. Short-term investors and traders tend to incorporate and may even prioritize technical factors. Long-term investors prioritize fundamentals and recognize that technical factors play an important role. Investors who believe strongly in fundamentals can reconcile themselves to technical forces with the following popular argument…