The Dow Jones Industrial Average is a key barometer of the U.S. stock market. Its 30 component stocks — such as Apple (AAPL), Boeing (BA), JPMorgan Chase (JPM), and Walmart (WMT) — are a narrow ...

Now, you can track one of the most widely followed equity indexes in the U.S. in real-time using Google Finance imported into Google Sheets. TheStreet has created a dynamic spreadsheet that updates ...

In volatile markets, share prices can go up and down sharply — from one extreme to another. A large decline in a particular stock could wipe out a significant investment in a portfolio, leaving an ...