美股科技股大幅拉涨，纳斯达克指数涨超1%，谷歌涨6%

Group 1 - The core viewpoint of the article highlights a significant rally in U.S. tech stocks, with the Nasdaq index rising over 1% [1] Group 2 - Google shares increased by 6% [1] - Broadcom shares rose by 3.5% [1] - NVIDIA shares climbed by 3% [1] - Intel shares experienced a 1.7% increase [1]