The S&P 500 is one of the most widely followed stock indexes, and its performance is used as a benchmark for the stock market at large. Here's what it is, how it works, and why it's important.
3hon MSN
The S&P 500 Has Done This Only 3 Times in a Half-Century. History Says This Is What May Happen Next.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback