Wall Street opens flat as investment banks fail to fuel optimism

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