道指开盘涨1.0%，标普500涨1.5%，纳指涨2.2%

Group 1 - Nvidia shares rose by 5.2% following an outstanding earnings report, leading multiple investment banks to raise their target prices [1] - Google shares increased by 4.2% as the Gemini 3 model received market recognition [1] - Walmart shares climbed by 2.7% after reporting better-than-expected Q3 performance [1] Group 2 - Warner Music shares rose by 2.4% as fourth-quarter revenue exceeded expectations [1] - Abbott shares fell by 2.5% while Exact Sciences shares surged by 17.9% [1] - Abbott announced plans to acquire Exact Sciences, with an estimated enterprise value of $23 billion [1]