Closing Bell: Tyson Slumps as Price-Fixing Reports Resurface; U.S. Stocks Fluctuate

Stocks wavered in an unsettled session before ending with slight losses. A miss on the headline jobs number raised questions over the Federal Reserve's rate-hike plans. Crude oil ended Friday sharply lower, though closed out the week with gains. A weekly read on the oil industry showed another increase in the number of active oil-drilling rigs in the U.S. Rig activity has risen in fourteen of the past fifteen weeks. Tyson  (TSN) - Get Report slumped after allegations of price-fixing resurfaced. An analyst at Pivotal Research suggested the company had colluded with others in the chicken industry to keep prices high. Tyson refuted Pivotal's claims. PPG Industries (PPG) - Get Report tumbled after cutting its third-quarter earnings guidance. The paints company said it was disappointed with the outlook and pointed to a sluggish economic environment.