The stock market has a habit of making headlines. One day prices are climbing, the next they’re falling, and the reports rarely explain what any of it means for everyday life. Yet its influence reaches far beyond the people buying and selling shares.
So, what is the stock market, and what actually happens behind those constantly moving numbers? The article walks through how the stock market works, what stock exchanges and indices do, why share prices rise and fall, and what beginners should understand about the risks before investing.
Disclaimer
This is a marketing communication and in no way should be viewed as investment research, investment advice, or recommendation to invest. The value of your investment can go up as well as down. Past performance of financial instruments does not guarantee future returns. Investing in financial instruments involves risk; before investing, consider your knowledge, experience, financial situation, and investment objectives.
In this guide to the stock market
- The stock market explained, in simple terms
- How the stock market works
- Stock market basics, explained
- Why stock prices rise and fall
- The stock market for beginners, including risk and investor protection
What is the stock market?
The stock market is a network of regulated exchanges and other trading venues where investors buy and sell shares in publicly traded companies. Each share represents a small ownership stake in a business. Companies raise money by issuing shares, while investors trade existing shares with one another. Prices change as buyers and sellers respond to new information and market conditions.
Part of the answer to what is the stock market is knowing it isn’t a single place or organization. It brings together companies seeking capital, investors looking for opportunities, exchanges running the trading, and the banks and brokers giving investors access to those exchanges.
How the stock market works
The simplest answer to how does the stock market work for beginners comes in two stages: a company sells shares, and investors then trade those shares with each other.
Stage 1: Company issues shares
A company wanting to raise money can list on a stock exchange through an initial public offering (IPO), selling new shares to investors. The company keeps the money raised and can put it toward growing the business or paying down debt. In return, investors receive shares representing part ownership of the company. This first sale takes place on what’s known as the primary market.
Stage 2: Investors trade existing shares
Once listed, the shares start trading on the exchange, and investors buy and sell them among themselves. This is the secondary market, where nearly all everyday stock market activity takes place. The company receives no money from these trades, since the proceeds go to the investor selling.
Where share prices are set
Every trade needs a buyer and a seller to agree on a price. When more investors want to buy a share than sell it, buyers offer more and the price rises. When sellers outnumber buyers, the price falls.
For example, a share last traded at €20 could change hands at €22 within minutes if buyers keep raising their offers and sellers accept. Millions of these small agreements every trading day add up to the prices on screen.
Primary market | Secondary market | |
Who sells the shares | The company | Other investors |
Where the money goes | To the company | To the selling investor |
What sets the price | The company and its advisers at the IPO | Supply and demand |
Frequency | At listing or in occasional new issues | Every trading day |
Stock market basics, explained
Four concepts sit at the heart of the stock market basics: what investors own, where trading happens, who provides access and how performance is measured.
Shares
A share is a unit of ownership in a company. Owning shares gives an investor an economic interest in that business. Depending on the share type, investors may also receive dividends or voting rights. The value of a share can change, and dividends are never guaranteed.
Stock exchanges
A stock exchange is the organized venue where listed shares trade under a set rulebook. Euronext runs markets in Amsterdam, Paris, Milan and several other European cities, Deutsche Börse operates the Xetra trading venue in Frankfurt, and Nasdaq runs the Nordic and Baltic exchanges, including Nasdaq Riga.
Each exchange sets its trading rules and matches buy and sell orders, publishing prices as trades take place.
Brokers and investment platforms
Most individual investors reach an exchange through a licensed broker or investment platform. The provider places orders on their behalf and holds the shares in safekeeping, and many now let investors buy stocks in small fractional amounts.
Indices
A stock market index tracks the performance of a selected group of shares, showing how a market or segment is doing without examining every company individually. Some widely followed indices include:
- The S&P 500 tracks approximately 500 leading US companies
- The STOXX Europe 600 tracks 600 companies from European markets
- The DAX tracks 40 major companies listed in Germany
- The CAC 40 tracks 40 major companies listed in France
Reading market headlines
When the news says “the market is up today,” it usually means an index, and not every stock.
An index isn’t itself a share or an exchange, but investors could gain exposure to one through certain products such as exchange-traded funds (ETFs) designed to track it.
Stock market for beginners and what to know before investing
The stock market for beginners comes down to a few practical ideas worth settling before the first investment.
Time horizon
Money needed within a few years sits uneasily in shares, since a fall could arrive at exactly the wrong moment. Investors able to leave money invested for longer give their holdings time to ride out short-term swings, though time alone doesn’t remove risk.
Diversification
Spreading money over many companies and regions limits the damage any single business can do. An ETF could offer exposure to a wide group of companies in one purchase, but diversification can’t remove market risk, since many investments can fall together.
Costs
Order fees and currency conversion charges on foreign shares reduce returns, so the full fee schedule is worth reading before choosing where to buy stocks.
Risks and investor protection
Invested capital is always at risk. Share prices can fall because of problems at a single company or a wider downturn, and a company can fail, leaving shareholders with nothing. Low liquidity and currency movements add further risks.
Regulation provides safeguards around how investment services are offered, but it doesn’t prevent these losses. In the EU, investment firms are authorized and supervised by national regulators under rules including MiFID II, which set standards for how firms treat clients and safeguard their assets. EU rules also require investor compensation schemes covering at least €20,000 per eligible investor if an investment firm fails and cannot return clients’ assets.
These schemes don’t cover losses caused by falling prices, which remain part of investing.
Discover more ways to invest with Mintos
Mintos is an investment platform licensed and supervised by Latvijas Banka, the Central Bank of Latvia, that provides access to more than 4,000 stocks from €1.
Stocks
Hand-pick your own stocks from technology, financials, healthcare, energy, mining, and more, and manage your investments yourself. Every stock on Mintos is listed on a major regulated exchange, with live market pricing.
✔️ Commission-free: €0 to buy, hold, or sell¹
✔️ No FX charges on non-euro-denominated stocks²
✔️ Automated regular investing with Investment plan
✔️ Set limit orders based on price (coming soon)
Invest in more asset classes on Mintos
Spread investments beyond individual companies with ETFs, bonds, loans, real estate, crypto ETPs, and Smart Cash, all on Mintos.
✔️ Commission-free ETFs: €0 to buy or sell³
✔️ Over 700,000 investors across Europe use Mintos
✔️ Investor compensation scheme coverage up to €20,000⁴
As with any investment, the value of stocks can go down as well as up, and you may receive back less than you invested.
¹ No order fees from Mintos to buy, hold, or sell stocks.
² Many stocks are exposed to a currency other than the euro, such as US stocks, even when bought and sold in euro on Mintos. Exchange-rate movements between the euro and that currency affect returns, independently of the stock’s own price. Mintos applies no currency exchange related fees.
³ Each ETF carries its own annual fee (Total Expense Ratio) charged by the ETF provider, built into the ETF price.
⁴ The scheme provides compensation if Mintos fails to return financial instruments or cash to investors, up to €20,000. It doesn’t compensate for losses due to changes in the price or liquidity of financial instruments.
Developed by the Mintos Content Team, making investment knowledge accessible for everyday investors across Europe.
FAQ
What is the stock market in simple terms?
The stock market is a network of marketplaces where investors buy and sell shares in public companies, with prices set by supply and demand.
How does the stock market work?
The answer to how does the stock market work comes in two stages. Companies sell shares to raise money, and investors then trade those shares with each other, with prices rising or falling as buyers and sellers react to news.
What is the purpose of a stock exchange?
A stock exchange provides an organized marketplace where securities trade under a set rulebook, matching buyers with sellers and publishing prices as trades take place. Exchanges are one of the stock market basics worth knowing early on.
Why do stock prices go up and down?
Prices change with supply and demand, which respond to company earnings, interest rates, economic conditions and investor sentiment.
Can you lose money in the stock market?
Yes. Shares can lose value, and investors can lose some or all of their invested capital.
