The benchmark S&P 500 rose as high as 3,387.24 during the session, just above its record high closing level of 3,386.15 from February 19. — Reuters pic

NEW YORK, Aug 14 ― The S&P 500 ended slightly lower yesterday after briefly trading above its record closing high level for a second day, and the Dow also fell in the wake of a disappointing forecast from Cisco Systems Inc.