The Standard & Poor's 500 fell four points, or 0.2 percent, to 2,103 on Friday.
The Dow Jones industrial average dropped 55 points, or 0.3 percent, to 17,690. The Nasdaq was little changed 5,128.
Shares of Exxon Mobil and Chevron, the two largest publicly traded energy companies, fell roughly 5 percent each after both companies reported slumping profits.