道指、标普500指数8连涨！

Group 1 - The core viewpoint of the article highlights the confirmation by the U.S. that automotive parts manufactured in Canada and Mexico will be exempt from a 25% tariff as part of the USMCA agreement, effective May 3 [9][10] - On May 1, U.S. stock indices experienced a broad increase, with the Dow Jones Industrial Average and S&P 500 achieving an eight-day consecutive rise [2][3] - The Dow Jones Industrial Average closed at 40,752.96 points, up 0.21%, while the S&P 500 rose 0.63% to 5,604.14 points, and the Nasdaq Composite increased by 1.52% to 17,710.74 points [3][4] Group 2 - Major U.S. tech stocks mostly rose, with Microsoft increasing over 7%, Meta up more than 4%, and Amazon rising over 3% [4] - The semiconductor sector showed mixed performance, with the Philadelphia Semiconductor Index up 0.42%, while Qualcomm fell over 8% [4] - Chinese concept stocks saw a slight increase, with the Nasdaq Golden Dragon China Index rising 0.22% [5] Group 3 - International gold prices declined, with London gold dropping over 1.5% and nearing $3,200 per ounce during trading [6][7] - COMEX gold futures also closed down more than 2%, approaching the same price level [8]