■ Dow Jones industrial average: Down 2%, or 350 points, to 17,596.35. The blue chips fell back in the red for the calendar year — the index landing 227 below its 2014 finish. 
■ S&P 500: Down 2.1%, 44 points, to 2057.64 
■ Nasdaq: Down 2.4%, 122 points, to 4958.47