The S&P 500 is a stock market index made up of 500 companies from 11 different sectors of the economy. It's currently trading ...

The S&P 500 finished the month of October on a positive note, ultimately finishing up 2.3% from September. Read more here.

The Motley Fool reports the "Magnificent Seven" tech giants now make up 37% of the S&P 500, raising concerns about market ...

The S&P 500 is experiencing one of its most powerful runs in modern history, logging its longest streak above its 50-day ...

The S&P 500 index gave up gains Friday afternoon, wobbling as nearly all its sectors were in decline. The S&P 500 briefly ...

An S&P 500 exchange-traded fund (ETF) has consistently been a rewarding long-term investment, but there's another ETF that ...

The S&P 500's rally of more than 16% this year through October could bode well for the rest of this year, according to a ...

One options trader is making even the most bullish Wall Street analysts look cautious, placing a huge bet on the S&P 500 ...

US stocks gained on Friday as blowout earnings results from Amazon.com Inc. and a strong holiday forecast from Apple Inc.

Sitting on the sidelines out of fear of "buying at the top" often proves far more costly than stomaching short-term ...

Strong earnings and guidance helped boost an electronic test equipment provider and a data storage specialist on Wednesday, ...

Equity bulls are lining up to wager the S&P 500 will surge past 7,000 now that it looks as if a seasonal bout of volatility ...