Reuters: US stocks opened lower on Wednesday after China retaliated to Washington’s latest tariffs, clouding a strong showing for corporate earnings. The Dow Jones Industrial Average .DJI fell 13.19 points, or 0.05 percent, at the open to 25,615.72. The S&P 500 .SPX opened lower by 1.66 points, or 0.06 percent, at 2,856.79. The Nasdaq Composite .IXIC dropped 3.66 points, or 0.05 percent, to 7,880.00 at the opening bell.