Stocks ended mixed Tuesday, but the Dow Jones industrial average climbed for an eighth straight day, hitting a new closing high.The Dow gained 0.1%, up 26 points to its new record of 18,559.01.But the broader market was slightly lower despite better-than-expected earnings reports from Goldman Sachs and three other components of the blue chip stock index.The Standard & Poor's 500 stock index fell 0.1%, while the Nasdaq composite slipped 0.4%.Despite earnings beats from Goldman Sachs (GS), health care giant Johnson & Johnson (JNJ), tech play IBM (IBM) and health care name United Heathcare (UNH), the Dow was only up slightly.

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