Stock market today: Dow, S&P 500, Nasdaq sink after PPI inflation comes in hot, Block lays out AI shift

US stocks sank on Friday after a measure of wholesale inflation came in hotter than expected and Block's (XYZ) surprise shakeup turned the spotlight on AI disruption risks. The Nasdaq Composite (^IXIC) and the Dow Jones Industrial Average (^DJI) led the way down, both dropping roughly 1.2%, Meanwhile, the S&P 500 (^GSPC) dropped 0.8% on the heels of sharp closing losses for the tech-heavy indexes. Wall Street is on course for a downbeat end to a week dogged by worries that AI will wreak havoc on a swath ...