US stock indices ended mixed, yesterday, as investors let up on the accelerator after a three-week rally sent indices to all-time highs. So the Dow Jones industrial average inched higher for its eighth consecutive gain to set another record. But the Standard & Poor's 500 index pulled back from its record high.The Dow Jones industrial average rose 26 points, or 0.1 percent, to 18,559. But the Standard & Poor's 500 index fell 3 points, or 0.1 percent, to 2,164. And the Nasdaq composite lost 19 points, or 0.4 percent, to 5,036. Corporate earnings continued to surprise, with Goldman Sachs posting better-than-expected results. Goldman joined Citigroup, JPMorgan Chase, and Bank of America on the list of big U.S. financial institutions that have topped second-quarter profit forecasts.