US stock market today: Dow, Nasdaq, S&P 500 slip as AI stocks face pressure and Nvidia outlook comes into focus

Alphabet rose sharply. The stock gained about 5%. Berkshire Hathaway revealed a $4.3 billion stake. Alphabet became Berkshire’s 10th-largest holding. The move came through Todd Combs or Ted Weschler. Apple’s position was trimmed by 15%. The market watched economic data. The September nonfarm payrolls report is due Thursday. It will be the first major release after the shutdown. A strong or weak number could shift December rate-cut expectations. Fed Vice Chair Philip Jefferson signaled caution. He said poli ...