In the commodities markets, the price of oil fell $1.25, or 1.3 percent, to $93.37 a barrel. Gold edged down $6.60, or 0.5 percent, to $1,308.10 an ounce.
Among other stocks making big moves:
— Delphi Automotive fell $2.99, or 5.2 percent, to $55.01 after the company supplier to auto makers cut its forecast for the year and sales slid.
— CVS Caremark rose $1.24, or 2 percent, to $63.22 after its third-quarter income climbed 25 percent, beating Wall Street expectations. The drugstore operator and pharmacy benefits manager also raised its 2013 earnings forecast.
— Regeneron jumped $20.62, or 7.3 percent, to $302.32 after the pharmaceutical company posted earnings that beat analysts' expectations. The company also reported strong growth of its eye disease drug Eylea.