Nvidia Stock Gains as $235 Billion Buyback Tests Capital Discipline

Nvidia NASDAQ:NVDA, the AI chipmaker, raised its buyback authorization by $150 billion on Monday. Shares climbed 1% to $231.07 at 9.30am ET time in Tuesday as investors weighed the size of the commitment.The board now has $235 billion in remaining repurchase authority through fiscal 2028. A Reuters…