NEW YORK (AP) -- U.S. stocks had their worst one-day drop since February as traders worried about weak corporate earnings and the looming end of economic stimulus from the Federal Reserve.<br />
The drop interrupted a prolonged advance in the market and erased its gains for July. It was only the second monthly loss for stocks this year, after January.<br />
The Dow Jones industrial average plunged 317 points, or 1.9 percent, to close at 16,563 Thursday.<br />
The Standard & Poor's 500 index dropped 39 points, or 2 percent, to 1,930. The Nasdaq composite dropped 93 points, or 2.1 percent, to 4,369.<br />
The S&P 500 closed at a record high just one week ago.<br />
Whole Foods Market, Yum Brands and Exxon Mobil were among companies that fell after reporting results or forecasts that disappointed investors.
A blustery winter storm dumped snow and ice across the West on Wednesday, making driving treacherous in the mountains from California to the Rockies and forcing residents and party-goers in some usually sun-soaked cities to bundle up for a frosty New Year's.
In a stunning triumph for a political outsider, Donald Trump all but clinched the Republican presidential nomination with a victory in Indiana that knocked Ted Cruz from the race and cleared Trump's path to a likely November face-off with Hillary Clinton
Evoking history and appealing for solidarity, President Barack Obama on Monday cast his decision to send 250 more troops to Syria as a bid to keep up "momentum" in the campaign to dislodge Islamic State extremists. He pressed European allies to match the U.S. with new contributions of their own.