US stock market today: Why S&P, Nasdaq gain while Dow slips? Here’s how Apple, Nvidia, and Tesla drove Wall Street today

Investors piled into artificial intelligence stocks again. Amazon jumped 4% after sealing a $38 billion partnership with OpenAI, signaling a deeper move into generative AI. The deal reportedly involves hundreds of thousands of Chip stocks rallied. Micron Technology gained nearly 5%. Nvidia added 2%. The VanEck Semiconductor ETF (SMH) climbed about 1%. Shares of Iren, which struck a $9.7 billion multiyear data center deal with Nvidia also advanced after Microsoft obtained Trump administration export licen ...