Wall St ends down amid Greek vote fears

Wall Street ended lower on Wednesday as fears ahead of the Greek elections over the weekend drove down a market that had been treading water through most of the day.

Based on the latest available data, the Dow Jones industrial average was down 78.63 points, or 0.63%, at 12,495.17. The Standard & Poor's 500 Index was down 9.38 points, or 0.71%, at 1,314.80. The Nasdaq Composite Index was down 24.46 points, or 0.86%, at 2,818.61.