[The three major U.S. stock indexes closed slightly lower, SpaceX fell over 6%] According to Golden Finance, on July 23, the three major U.S. stock indexes all closed slightly lower. The Nasdaq fell 0.57%, the S&P 500 index fell 0.14%, and the Dow Jones Industrial Average fell 0.01%. AMD surged nearly 20% as the company significantly raised its fourth-quarter gross margin guidance, with new orders exceeding $60 billion for the quarter, and its backlog reaching a record high. SpaceX fell over 6%, hitting a new low since its listing.