NYSE trading floor with screens showing stocks sliding as rising U.S. Treasury yields and Walmart (WMT) earnings pressure risk assets on August 20, 2026.
NVIDIA Corp. (NASDAQ: NVDA) seemingly has given many a two-part bullish signal: a record-sized $150 billion increase to its share-repurchase authorization and a new AI-agent safety platform aimed at making autonomous software more secure for enterprise deployment. The combination suggests a company using…