Stock indexes are collections of stocks meant to represent the market or a portion of it—they are used by investors as benchmarks against which to compare the performance of their own portfolios.

Stock prices are initially set by IPOs and are influenced by supply and demand dynamics in the market. Long-term stock prices reflect the business's earning power, adhering to Buffett's valuation ...

Whether you're a new investor or a seasoned pro, it helps to have a solid glossary at your fingertips to provide quick clarification on a particular term or to expand your overall stock market ...