[U.S. Stock Market Opening: The Three Major Indexes Open Higher] The three major U.S. stock indexes opened higher collectively, with the Dow up 0.4%, the Nasdaq up 1.52%, and the S&P 500 up 0.92%. TSMC rose nearly 3%, with October revenue increasing 16.9% year-on-year. Robinhood rose over 3%, and Robinhood's CEO stated plans to launch a new fund allowing retail investors to invest in AI companies like OpenAI.