US stock futures sank on Thursday after Oracle (ORCL) earnings revived AI overspending worries, denting the Wall Street rally that followed the Federal Reserve’s latest interest-rate cut. Contracts on the S&P 500 (ES=F) and the Nasdaq 100 (NQ=F) were down roughly 0.5% and 0.8%, respectively, paring deeper declines from earlier in premarket. Dow Jones Industrial Average futures (YM=F), which include fewer tech names, nudged 0.1% lower. Oracle's after-hours earnings brought AI spending fears back with a v ...