Wall Street opens flat as investors eye earnings NEW YORK (Reuters) - U.S. stocks opened little changed on Tuesday as investors held back from making large bets at the start of a busy week for corporate earnings after major indexes notched five-year highs. The Dow Jones industrial average .DJI gained 16.95 points, or 0.12 percent, to 13,666.65. The Standard & Poor's 500 Index .SPX shed 0.33 point, or 0.02 percent, to 1,485.65. The Nasdaq Composite Index .IXIC added 0.21 point, or 0.01 percent, to 3,134.91.