Wall Street opened slightly lower on Friday as investors weighed strong earnings against Greece's move to trigger an aid package that could become the largest state bailout ever attempted.

The Dow Jones industrial average <.DJI> was down 12.32 points, or 0.11 percent, at 11,121.97. The Standard & Poor's 500 Index <.SPX> fell 1.04 points, or 0.09 percent, at 1,207.63. The Nasdaq Composite Index <.IXIC> dipped 4.27 points, or 0.17 percent, at 2,514.80.

(Reporting by Angela Moon; editing by Jeffrey Benkoe)