Local time on July 30, the three major U.S. stock indices closed mixed, the Nasdaq fell 1.28%, the S&P 500 index fell 0.5%, the Dow rose 0.5%, Hill & Knowlton fell 7.04%, worth 2.6 trillion U.S. dollars, a record low since the end of May, the market value of $ 193.4 billion evaporated overnight (about 140.24 billion yuan). It is reported that the technology giant Apple Inc. released the first “Apple Intelligence” cell phone operating system test version, but the market found that Apple's large model of training with Google's technology, VTech content is zero. Apple said on Monday that the artificial intelligence model behind the artificial intelligence system Apple lntelligence is trained on a processor designed by Google.