Stock markets can go into sharp declines over a short period of time. For example, President Trump’s directive to implement tariffs in early April 2025 sent the U.S. stock market into a sharp decline ...

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 ...