美股三大指数开盘涨跌不一，道指涨0.01%，纳指跌0.53%，标普500指数跌0.3%

Group 1 - The three major U.S. stock indices opened mixed, with the Dow Jones Industrial Average up 0.01%, the Nasdaq down 0.53%, and the S&P 500 down 0.3% [1] - Novo Nordisk fell over 4% and Eli Lilly dropped over 3% following Trump's announcement regarding a price reduction for weight loss drugs [1] - Bank stocks declined, with Deutsche Bank down over 3% and Barclays down over 2% [1]