S&P 500 Falls 0.83% This Week to Seal First Losing Year Since 2011; Energy, Material Stocks Largest Losers in Commodities Rout

A mid day rally quickly fizzled Thursday, dragging the S&P 500 underwater for its first yearly loss since 2011, slipping about 0.69% over the past 12 months to finish 2015 at 2,043.94. Energy stocks saw the steepest declines among