US MARKET OUTLOOK: NVIDIA'S STRONG EARNINGS DRIVE BUYING IN AI-RELATED STOCKS; NEXT FOCUS IS WALLER'S SPEECH. KIOXIA AND SANDISK TO INVEST OVER $31 BILLION IN JAPAN AMID AI BOOM. NVIDIA REFUTES CONCER

NVIDIA earnings catalyze AI stock buying; $31B Japan investment and circular financing refutation amplify impact.