Wall Street flat at open

Wall Street opened flat on Tuesday as upbeat earnings from big investment banks Goldman Sachs and Morgan Stanley failed to fuel the optimism that has led the major indexes to record highs. 

The Dow Jones Industrial Average .DJI rose 15.01 points, or 0.07 percent, to 22,971.97. The S&P 500 .SPX lost 0.5 points, or 0.01 percent, to 2,557.14. The Nasdaq Composite .IXIC dropped 3.44 points, or 0.05 percent, to 6,620.57.