US STOCKS SNAPSHOT-S&P 500 opens lower after bank earnings; chips weigh

Oct 13 (Reuters) - The S&P 500 and the Nasdaq opened lower on Tuesday as chip stocks came under selling pressure again, while investors assessed a mixed set of quarterly results, including reports from big US banks.

The Dow Jones Industrial Average .DJI rose 242.4 points, or 0.47%, at the open to 52,092.99. The S&P 500 .SPX fell 12 points, or 0.15%, at the open to 7,795.27​ while the Nasdaq Composite .IXIC dropped 107.2 points, or 0.39%, to 27,138.729 at the opening bell.