US Stock Market Morning Session: The three major stock indexes are mixed, with Taiwan Semiconductor rising more than 1.5%

Jerome Powell will testify in Congress today, and key US inflation and employment data will be released tomorrow. The three major US stock indexes showed mixed performance at the opening bell, with the Nasdaq rising by 0.46%, the S&P 500 rising by 0.25%, and the Dow Jones falling by 0.02%. Several star tech stocks rose, with Taiwan Semiconductor up more than 1.5%, reporting second-quarter sales exceeding market expectations, a year-on-year increase of 40.1%; AMD rose more than 1.4%, with reports suggesting AMD will acquire Silo AI in an all-cash deal; Nvidia rose more than 2%; Tesla rose by 0.22%. Baidu rose more than 4%, and its subsidiary Luobo Kuaipao is expected to achieve profitability by 2025