道指开盘涨0.4%，标普500涨0.6%，纳指涨0.8%

Group 1 - Shopify's stock increased by 10.3% after reporting Q4 revenue that exceeded expectations [1] - Lyft's stock fell by 16.1% due to Q4 revenue falling short of expectations and weak guidance for the first quarter [1] - Mattel's stock dropped by 29.4% as the company projected annual profits below expectations [1] Group 2 - Moderna's stock declined by 9.1% after the FDA rejected its application for the review of an experimental flu vaccine [1] - Kraft Heinz's stock fell by 5.8% as the company announced a pause on its split plan [1] - Kingsoft Cloud's stock rose by 9.7% as Goldman Sachs anticipates benefits from Xiaomi's continued investment in AI [1]