Nvidia leads Nasdaq and S&P 500 to record high closes

Nasdaq and S&P 500 hit records, driven by Nvidia, Apple gains. Powell's rate cut remarks, Taiwan Semiconductor's AI narrative influenced markets. Micron, AMD surged. Investors await U.S. inflation data. S&P sectors rose, tech leading. Intuit dropped; Illumina gained. Dow Jones rose. Second-quarter earnings, light trading volume noted. Comprehensive key points summarized.