美股开盘：三大指数小幅下跌

Group 1 - The Dow Jones Industrial Average fell by 0.41%, the S&P 500 decreased by 0.19%, and the Nasdaq dropped by 0.18% [1] - Oracle's stock rose over 7% as the CEO indicated that cloud infrastructure revenue is expected to increase by more than 70% in the new fiscal year [1] - Boeing's stock declined by over 5% following the first incident involving its 787 aircraft [1] - Biotech company CureVac's stock surged over 30% after reports emerged that BioNTech plans to acquire CureVac for $1.25 billion [1]