U.S. stocks end volatile week lower

The U.S. stock market ended a volatile week on a down note Friday, with strategists blaming the slide in part on December's jobs report that revealed a drop in wages. 


The S&P 500 SPX, -0.84% closed 17.32 points, or 0.8%, lower at 2,044.81, ending the first week of 2015 with a 0.7% loss.