Wall Street stocks opened lower on Wednesday, a day after the market staged a huge reversal to end sharply higher and as investors sought clarity from European officials about plans to prop up the region's struggling banks.

The Dow Jones industrial average <.DJI> was down 31.03 points, or 0.29 percent, at 10,777.68. The Standard & Poor's 500 Index <.SPX> was down 4.52 points, or 0.40 percent, at 1,119.43. The Nasdaq Composite Index <.IXIC> was down 15.95 points, or 0.66 percent, at 2,388.87.

(Editing by Jeffrey Benkoe)