Learn how the stock market works, why share prices move, how companies create value, what indices measure, and how concepts such as dividends, growth and valuation fit together.

A stock represents ownership in a company. Public markets provide a way for shares to be bought and sold, while prices continuously reflect changing expectations, information and demand.
A stock is a share of ownership in a company. Shareholders may benefit when a company grows, although share prices can also fall.
Learn the basics →Stock exchanges and electronic trading venues facilitate transactions between buyers and sellers across global financial markets.
Explore our guides →Revenue, profit, cash flow, growth expectations, competition and broader economic conditions can all affect how investors value a business.
Read more →Prices can respond to new information and changing expectations. The same company can be valued differently as investors reassess its future prospects.
Information about an individual company can change expectations around its future performance.
Stocks can also move because of changes affecting industries, economies and financial markets.
An index groups securities according to a defined methodology. Index performance can provide a snapshot of a particular market segment, country or group of companies.
Track a wide group of companies within a market.
Focus on companies with relatively large market capitalizations.
Follow companies operating in a particular industry.
Provide exposure to companies across multiple regions.
Some companies distribute part of their profits to shareholders through dividends, while others may reinvest earnings into growth, expansion or other business priorities.
Dividends are distributions made by eligible companies to shareholders. Dividend policies can vary and are not guaranteed.
A company may retain earnings to develop products, enter new markets, invest in operations or pursue other growth opportunities.
When evaluating an investment, investors may consider both changes in market price and distributions such as dividends.
Financial statements can help investors understand a company’s revenue, expenses, assets, liabilities, cash flow and profitability. No single number tells the entire story.
These concepts appear frequently when researching companies and understanding the stock market.
A company’s market capitalization is generally calculated from its share price multiplied by its shares outstanding.
The P/E ratio compares a company’s share price with earnings per share and is often used as one valuation measure.
EPS relates a company’s profit to its shares outstanding and is commonly used in company analysis.
Revenue is the income generated from a company’s ordinary business activities before expenses are deducted.
Profit margins help show how much profit a company retains relative to its revenue.
Cash-flow information helps show how money moves into and out of a business during a period.
Labels such as growth and value describe commonly discussed characteristics, not guarantees about future performance.
Companies described as growth stocks are generally associated with expectations for relatively strong future expansion. Investors may place greater emphasis on future earnings potential.
Value investing generally focuses on companies that appear inexpensive relative to selected measures of business value. Different investors use different valuation methods.
Build your knowledge one concept at a time with Financestor’s planned stock-market article and guide library.
Understand the basic structure and purpose of stock markets.
ARTICLELearn the common elements found on a stock chart.
ARTICLEUnderstand common language used to describe market conditions.
ARTICLEExplore the differences between these commonly discussed styles.
GUIDEA structured starting point for learning about equities.
GUIDELearn the concepts used when researching individual companies.
Combine market information with financial education and practical planning tools. Explore the economic calendar, financial news and calculators when you need broader context.
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