Dow opens marginally lower as blue-chip gauge struggles for 7th straight gain

Stocks opened flat on Tuesday as the Dow Jones Industrial Average struggled for a seventh straight day of gains. The blue-chip gauge opened 11 points, or 0.1%, lower at 18,857. The S&P 500 index added 4 points, or 0.1%, to 2,168. The Nasdaq Composite Index climbed 20 points, or 0.4%, to 5,236. On Monday, the blue-chip gauge touched a record intraday high after stocks posted their longest losing streaks in years before the Nov. 8 U.S. presidential election.

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