Investors have been trained to treat every pullback in the S&P 500 as a bargain, but the next leg down could be less of a sale and more of a trap. If the index slides toward a key valuation floor, the ...

A sell-off in stocks knocked down major indexes Thursday, with the technology sector leading the S&P 500 to undercut a key support line while the Dow Jones Industrial Average retreated from the 50,000 ...

The large-cap index has typically experienced bouts of volatility as it approaches major round-number milestones: BTIG Research The S&P 500 could encounter some more turbulence as it approaches 7,000.