Live News NEWS FLASH L impact Sep 28, 2026, 11:00 AM UTC Nvidia Announces A $150Bln Share Buyback Authorization Boost SquawkNews Newsroom 1 updates Updated Sep 28, 2026, 11:10 AM UTC Story updates 11:10:43 AM UTC SquawkNews Nvidia Announces A $150Bln Share Buyback Authorization Boost