Chinanews.com client April 3 (Xie Yiguan) On April 3, U.S. stocks opened slightly lower, and the Dow Jones index opened down 146.00 points, or 0.68%, to 21267.45 points; the S & P 500 index opened down 13.90 points, or 0.55%. At 2513.00, the Nasdaq index opened down 39.50 points, or 0.53%, to 7447.84 points. The stock price of Ruixing Coffee, which had plunged earlier, rose more than 10% at the beginning of the trading session, and its gains narrowed at the beginning of the trading session. It fell as much as 25% before the market.