纳指小幅低开，诺和诺德大跌15%

Group 1 - The unclear outlook of U.S. trade policy is putting pressure on market sentiment, leading to a collective decline in the three major U.S. stock indices [1] - The Nasdaq Composite Index fell by 0.03%, the Dow Jones Industrial Average decreased by 0.31%, and the S&P 500 Index dropped by 0.03% [1] - Technology stocks experienced widespread declines, with Tesla and Oracle both falling by over 1% [1] Group 2 - Novo Nordisk's stock plummeted by 15% due to the disappointing trial results of its new generation weight loss drug CagriSema, which underperformed compared to Eli Lilly's Zepbound [1]