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U.S. stocks try for 4th straight gain, energy among early leaders

Ryan Vlastelica

U.S. stocks opened higher on Tuesday, setting major indexes up for a fourth straight day of gains as investors looked past ongoing trade uncertainty in a holiday-shortened session. The Dow Jones Industrial Average (DJIA) rose 0.3% to 24,386. The Nasdaq Composite Index (COMP) rose 0.3% to 7,593.