
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 exactly causes a stock's price to change?
Jun 17, 2015 · 163 1 1 4 5 Every time the stock is traded, the price changes/updates. Your quote provider may only provide price updates every x seconds, and those quotes may be delayed or in real-time -- it depends on your source. – Rocky Jun 16, 2015 at 20:50 Yes, I see. But in order to be traded the stock has to have a price at any given "moment".
What causes stock prices to change?
Jan 01, 2004 · 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.
Do changes in stock values affect the wealth of households?
May 02, 2016 · When the data is better than economists expect, the stock market increases in value. 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.
What causes changes in the stock market?
Nov 25, 2016 · When bonds fall, but stocks rise Stocks tend to rise when the economy is either doing well or starting to show signs of improvement. That's partially because profits are increasing, which leads to...

What time of day do stock prices change?
How often do stocks change price?
What time of day do stock prices drop?
Do stock prices change over night?
What time of day do stocks peak?
Day traders need liquidity and volatility, and the stock market offers those most frequently in the hours after it opens, from 9:30 a.m. to about noon ET, and then in the last hour of trading before the close at 4 p.m. ET.
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Why do stocks jump overnight?
When should you sell a stock?
How are stock prices affected?
Stock prices are affected by supply and demand. 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 will be made.
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.
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.
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.
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.
Who are the buyers and sellers?
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. In many cases, you won't have any idea who is on the other side of the trade.
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 ...
Why do stocks rise?
Stocks tend to rise when the economy is either doing well or starting to show signs of improvement. That's partially because profits are increasing, which leads to a higher valuation for stocks. However, rising profits can also lead to increased inflation. It's that increased inflation that can cause bond prices to fall when inflation forces ...
Why do bond prices fall?
It's that increased inflation that can cause bond prices to fall when inflation forces the Federal Reserve to step in to try and slow the inflation rate by raising interest rates. Rising rates makes it costlier for companies to borrow money because they need to pay a higher interest rate when they issue new bonds.
Do stocks and bonds move in the same direction?
It's a general rule of thumb that stocks and bonds move in the same direction. While that hasn't always been the case, it has been the general trend of the market since the late 1990s.
It's important for investors to understand what drives stocks and the market up and down
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 can affect stock prices?
High demand for a stock relative to supply drives the stock price higher, but what causes that high demand in the first place?
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 many years or even decades to let your money grow, things such as analyst upgrades and earnings beats are irrelevant.
Why do stock prices change?
Stock prices constantly change based on the laws of supply and demand. New information doesn't care if the market is closed or not, it just comes out arbitrarily. When new information surfaces that creates an imbalance in supply and demand and traders make transactions on the market until a new balance is found, and the process repeats.
What is closing price?
The closing price is only the price that was in effect during the last transaction of the day when a buyer and seller agreed on a price, say $100 per share.
What is short term investing?
The short-term investor is also called a day trader and the strategy is based on picking stocks that you expect to have a volitle day in the market. Initially you would look for stocks you expect to go up and after purchasing a block of stock you issue a sell order at some higher price.
What is the purpose of the market?
The purpose of the market is to facilitate transactions and liquidity between traders, not to value the price of a stock. Value is based on supply and demand, which is then measured by the price on the market. Hope this helps. Sponsored by Upwork. It’s vacation time for employees, not business.
How does Dow Jones Industrial Average work?
The Dow Jones Industrial Average is the simple arithmetic average of the price of 30 stocks divided by the “Dow divisor” which is adjusted from time to time when components change or there is some stock split. Since Dow Jones publishes the divisor, just about anyone can calculate the value on their own.
What is open end mutual fund?
Mutual funds are typically registered with the Securities and Exchange Commission (SEC) as open-end investment companies and must report their NAVs every trading day. Open-end mutual funds can issue any number of shares that can be purchased by any number of investors. In contrast, closed-end funds, whose shares are not redeemable ...
What is mutual fund?
A mutual fund represents a pool of funds invested in various securities traded on the equities exchanges. Mutual funds are typically registered with the Securities and Exchange Commission (SEC) as open-end investment companies and must report their NAVs every trading day. Open-end mutual funds can issue any number of shares that can be purchased by any number of investors.

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…