
Two very general reasons are: 1) High prices at the beginning target "early adopters" - people that have a higher "willingness to pay" for a new product just to have it first. Early adopters know that they pay more, and they 're ok with it.
How does a stock price actually go up or down?
Stock prices go up and down based on supply and demand. When people want to buy a stock versus selling 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 in a stock requires additional research, however. Buyers are attracted to stocks for any number of reasons, from low valuation to new product ...
What makes Stocks go up or down in price?
What causes a stock’s price to go up or down?
- Short-term factors that move stock prices. Legendary Wall Street analyst and mentor to Warren Buffett, Benjamin Graham, once said that in the short run the market is a voting machine, ...
- Long-term factors that move stock prices. So if the market is a weighing machine in the long term, what exactly is it weighing? ...
- Bottom line. ...
How does the expected return affect a stock price?
Key Points
- A company that is publicly traded must announce its earnings reports quarterly. ...
- Beta is a metric used to signal the risk in a particular stock. ...
- Analysts constantly assess the health of public companies to assess the value of its equity and debt instruments, and their outlook affects stock and bond prices in secondary markets.
How do you calculate the current price of a stock?
- Three ways to calculate the relative value of a stock. Many investors will use ratios to decide whether a stock represents relative value compared with its peers.
- Some more tips to help you value a company’s shares. As well as the above ratios, which give you an idea of a stock’s relative value in line with similar ...
- Ready to invest? ...

Do new products increase stock price?
Good earnings reports, an announcement of a new product, a corporate acquisition, and positive economic indicators all translate into buying pressure and an increase in stock prices.
What causes the price of a stock to go up?
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.
Who decides stock price?
After a company goes public, and its shares start trading on a stock exchange, its share price is determined by supply and demand for its shares in the market. If there is a high demand for its shares due to favorable factors, the price will increase.
What factors affect a stock's price?
Factors that can affect stock pricesnews releases on earnings and profits, and future estimated earnings.announcement of dividends.introduction of a new product or a product recall.securing a new large contract.employee layoffs.anticipated takeover or merger.a change of management.accounting errors or scandals.
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 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 ...
What is earnings base?
An earnings base, such as earnings per share (EPS) A valuation multiple, such as a P/E ratio. An owner of common stock has a claim on earnings, and earnings per share (EPS) is the owner's return on their investment. When you buy a stock, you are purchasing a proportional share of an entire future stream of earnings.
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.
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.
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.
Why won't laymen buy in year one?
The laymen certainly won't buy in year one because the price is too high. But if the enthusiasts buy in year one and the laymen buy in year two then the firm earns ( 100 × 800) + ( 100 × 600) = 140, 000. This is higher than the maximum achievable with a uniform price (120,000).
Why do people buy frenzies?
buying frenzies occur when customers are sufficiently uncertain about their valuations of the product and when they discount the future sufficiently but not excessively. [...] such frenzies can have a significantly positive effect on firm profits and partially recover the loss due to non-commitment to future prices.
Why are early adopters set high?
2) As regards consumer reaction, it is much better to reduce prices than to increase prices. So sometimes prices are set high to "feel" the market response and then adjust accordingly. Note: these are very general and "universal" reasons for the phenomenon.
Why does the stock price of a company rise when it acquires another company?
In most cases, the target company's stock rises because the acquiring company pays a premium for the acquisition, in order to provide an incentive for the target company's shareholders to approve ...
Why does the share price of a company drop?
The acquiring company's share price drops because it often pays a premium for the target company, or incurs debt to finance the acquisition. The target company's short-term share price tends to rise because the shareholders only agree to the deal if the purchase price exceeds their company's current value. Over the long haul, an acquisition tends ...
Why does stock fall immediately after an acquisition?
This is because the acquiring company often pays a premium for the target company, exhausting its cash reserves and/or taking on significant debt in the process.
What happens if a stock price drops due to negative earnings?
Of course, there are exceptions to the rule. Namely: if a target company's stock price recently plummeted due to negative earnings, then being acquired at a discount may be the only path for shareholders to regain a portion of their investments back.
Can a takeover rumor cause volatility?
Stock prices of potential target companies tend to rise well before a merger or acquisition has officially been announced. Even a whispered rumor of a merger can trigger volatility that can be profitable for investors, who often buy stocks based on the expectation of a takeover. But there are potential risks in doing this, because if a takeover rumor fails to come true, the stock price of the target company can precipitously drop, leaving investors in the lurch.
What happens before the stock market opens?
Before the stock market opens, the exchanges look at the buy and sell orders that have been entered to be filled when the market opens. On the New York Stock Exchange, the specialist in a stock will pick an opening price that he believes will balance out the initial buyers and sellers.
When do stock companies release press releases?
You will notice that your stocks' companies issue press releases either after the market closes in the afternoon or before the market opens in the morning.
What time does the stock market open?
Stock Market Hours. The U.S. stock exchanges -- NYSE and Nasdaq -- are officially open for trading 9:30 a.m. to 4 p.m., Eastern time, Monday through Friday. During market hours, stocks prices change based on the supply -- sell orders -- and demand -- buy orders -- being sent to the market. The price of a stock moves up and down to balance ...
Is the opening price of a stock always the same as the closing price?
The opening price for stock is not always the same price as the closing price from the day before. Supply and demand drives the stock market, and events can occur between the closing bell and the next morning's opening that can affect the price of stock, including news releases and buy/sell orders placed during that time.
Is the opening price of a stock based on supply and demand?
This is especially true when a stock opens the market day at a significantly different price than where it closed the day before. The truth is, the opening price of stock is based upon supply and demand, and it may also be affected by how the exchange handles pre-market orders.

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…