Slumping energy shares drove the recent U.S. stock market selloff more than any other major group, so investors are turning to next week's slate of earnings to see if the sector can pull itself out of the pit.

The third-quarter earnings picture for energy looks grim. Profit growth expectations for S&P 500 energy companies have fallen more than any other sectorfrom a forecast of 13.8 percent on July 1 to the current 1.8 percent, Thomson Reuters data showed.