The document defines and describes the key characteristics and functions of stock exchanges. It notes that stock exchanges are markets where securities like shares, bonds, and derivatives are traded based on supply and demand. The document outlines several important functions of stock exchanges such as facilitating long-term financing for companies and governments, aiding price discovery, spreading risk, and providing liquidity. It also discusses various types of securities like shares and bonds, as well as trading mechanisms including speculation, short-selling, and margin trading, noting some issues from an Islamic perspective. The conclusion advocates for Islamic stock exchanges that comply with Shariah and prohibit interest-based activities like conventional bonds, short-selling, and margin trading.