Stock Market Information
A comprehensive guide to the structure, instruments, and mechanics of global financial markets — for informational purposes only.
Stock Markets — How They Work
A stock market is an organised venue where buyers and sellers come together to trade shares in publicly listed companies. When a company decides to raise capital from the public, it conducts an Initial Public Offering (IPO), issuing shares that can then be traded on an exchange.
The price of a share reflects the collective view of the market on the company's current and future value. Prices change continuously during trading hours in response to new information — earnings reports, economic data, geopolitical events, and shifts in investor sentiment.
Key concepts in equity markets
The total market value of a company's outstanding shares. Calculated by multiplying share price by the number of shares issued.
Periodic cash payments made by some companies to shareholders, typically expressed as a percentage of the share price (the dividend yield).
Most exchanges operate on fixed daily schedules. For example, the New York Stock Exchange (NYSE) trades Monday to Friday, 09:30–16:00 Eastern Time.
Bonds & Fixed-Income Instruments
A bond is a debt instrument. When governments or corporations need to borrow money, they issue bonds to investors who receive regular interest payments (called the coupon) and the return of principal at maturity.
Bond prices move inversely to interest rates: when rates rise, existing bond prices fall, and vice versa. This relationship is fundamental to understanding fixed-income markets.
Types of bonds
Issued by national governments (e.g. US Treasury bonds, UK Gilts, German Bunds). Generally considered lower risk than corporate debt.
Issued by companies. They offer higher yields than government bonds to compensate investors for greater credit risk.
Issued by regional or local governments, often with tax advantages in their country of issue.
Major Stock Market Indices
Indices measure the performance of a group of stocks. They are used as benchmarks for the broader market or specific sectors.
| Index | Country / Region | Exchange | Components | Asset Class |
|---|---|---|---|---|
| S&P 500 | United States | NYSE / NASDAQ | 500 large-cap companies | Equity |
| Dow Jones Industrial Average | United States | NYSE / NASDAQ | 30 blue-chip companies | Equity |
| NASDAQ Composite | United States | NASDAQ | 3,000+ companies (tech-heavy) | Equity |
| FTSE 100 | United Kingdom | London Stock Exchange | 100 largest UK-listed companies | Equity |
| DAX 40 | Germany | Frankfurt Stock Exchange | 40 leading German companies | Equity |
| Nikkei 225 | Japan | Tokyo Stock Exchange | 225 leading Japanese companies | Equity |
| Hang Seng | Hong Kong | Hong Kong Stock Exchange | ~80 largest companies | Equity |
| CAC 40 | France | Euronext Paris | 40 largest French companies | Equity |
Data presented is for informational purposes only. Index composition may change over time.
ETFs, Mutual Funds & Index Funds
Pooled investment vehicles allow investors to gain exposure to a basket of assets through a single instrument.
Exchange-Traded Funds (ETFs)
ETFs are funds that trade on an exchange just like individual stocks. They typically track an index, sector, commodity, or other asset class. ETFs generally offer low fees and intraday liquidity.
Mutual Funds
Pooled funds managed by professional fund managers. Unlike ETFs, mutual funds are priced once per day at net asset value (NAV). They may be actively or passively managed.
Index Funds
Funds designed to replicate the performance of a specific market index, such as the S&P 500. Index funds are typically passively managed, resulting in lower costs compared to active funds.
Major Stock Exchanges Around the World
Financial markets operate across nearly every region of the world, each with its own regulatory framework and listed companies.
New York Stock Exchange (NYSE)
The NYSE is the largest stock exchange in the world by market capitalisation, located on Wall Street in New York City. It lists thousands of companies across all sectors and is regulated by the U.S. Securities and Exchange Commission (SEC).
London Stock Exchange (LSE)
One of the oldest exchanges in the world, the LSE is a major international marketplace for equities, bonds, and derivatives. It is home to the FTSE 100 index and attracts listings from companies based across Europe, Asia, and beyond.
Tokyo Stock Exchange (TSE)
The TSE, now part of Japan Exchange Group (JPX), is the largest exchange in Asia by market capitalisation. It lists major Japanese conglomerates and is home to the Nikkei 225 and TOPIX indices.
Frankfurt Stock Exchange (FSE)
Operated by Deutsche Börse, the Frankfurt Stock Exchange is the largest in Germany and one of the most significant in the Eurozone. It is the home of the DAX 40 index and serves as a central hub for European capital markets.
Risk, Return & Diversification
Understanding risk is central to any discussion of financial markets. These concepts are widely used in investment theory and portfolio management.
Market Risk
Also known as systematic risk, market risk refers to the possibility that the overall market declines, affecting the value of nearly all assets. It cannot be eliminated through diversification alone.
Company-Specific Risk
Also called unsystematic risk, this is the risk associated with a specific company or industry. It can be reduced significantly by holding a diversified portfolio of assets.
Diversification
The practice of spreading investments across different assets, sectors, and geographies in order to reduce exposure to any single source of risk. The concept is often summarised as "not putting all your eggs in one basket."
Key Financial Terms Explained
- Bull Market
- A period during which market prices are rising or expected to rise, typically defined as a gain of 20% or more from a recent low.
- Bear Market
- A period during which market prices are falling or expected to fall, typically defined as a decline of 20% or more from a recent peak.
- Liquidity
- The ease with which an asset can be bought or sold in the market without significantly affecting its price. Highly traded assets are described as liquid.
- Volatility
- A statistical measure of how much an asset's price fluctuates over time. Higher volatility generally implies greater uncertainty and investment risk.
- Portfolio
- A collection of financial assets — such as stocks, bonds, and cash — held by an individual or institution.
- Yield
- The income returned on an investment, usually expressed as an annual percentage. For bonds, it reflects the coupon payment relative to the bond's price.
- Broker
- An intermediary firm or individual that executes buy and sell orders on behalf of investors in exchange for a fee or commission.
- Derivative
- A financial contract whose value is derived from an underlying asset such as a stock, bond, commodity, or currency. Common types include options and futures.
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