道指开盘涨0.1%，标普500涨0.2%，纳指跌0.1%

Group 1 - Meta's stock increased by 10.2% following better-than-expected quarterly performance and revenue guidance [1] - IBM's stock rose by 7.8% as its Q4 results exceeded expectations [1] - Tesla's stock gained 1.8% as Elon Musk promoted the Optimus robot, indicating a strategic shift away from electric vehicles [1] Group 2 - SAP's stock fell by 16.1% due to cloud business order growth not meeting expectations [1] - Microsoft's stock declined by 7.2% as Q2 cloud revenue growth slowed while capital expenditures surged by 66% [1]