Stock Market Today, Sept. 30: Nvidia Authorizes $150B Buyback, Lifting Total to $235B

Nvidia announced an additional $150 billion share repurchase authorization, bringing its total buyback program to $235 billion through 2028. The company closed up 0.52% at $228.38, supported by positive developments including an AI safety accord and expansion into quantum computing. With 106% year-over-year revenue growth and a forward P/E ratio of 25, Nvidia continues to solidify its position as a leading AI company.