NEW YORK (AP) — The latest on developments in financial markets (all times local):
UnitedHealth gave up 1.3 percent early Wednesday and Facebook lost 1 percent.
Weight Watchers plunged 35 percent after issuing a surprisingly weak forecast, and drugmaker Mylan slumped 13.5 percent after also giving a weak outlook.
The price of oil bounced back 2 percent, which helped send energy companies higher.
The S&P 500 index fell 5 points, or 0.2 percent, to 2,788.
The Dow Jones Industrial Average lost 67 points, or 0.3 percent, to 25,991. The Nasdaq fell 14 points, or 0.2 percent, to 7,535.
Bond prices fell. The yield on the 10-year Treasury rose to 2.67 percent.