Investors keep pushing the S&P 500 index to fresh all-time highs that leave it looking both expensive and top-heavy, with just 22 stocks in the index comprising half of its weighting, according to ...

The S&P 500 is on the cusp of extending a momentous streak. Historically, stocks have made big moves in the following year after such strong momentum. However, there's no way to know for sure how the ...

The S&P 500 closed near record highs at 6,715 on Tuesday, pausing after a mild retreat the same day. Futures were little changed as investors debated whether Wall Street’s relentless climb is entering ...