📝 Executive Summary
US stock futures fell sharply as an AI-driven rout that hit Asian technology shares spread globally. Megacap tech names led the declines, with Nasdaq futures pointing to a lower open. The selloff follows steep losses in Asian markets, where Japan's Nikkei and Hong Kong's Hang Seng dropped amid concerns over AI valuations and potential regulatory scrutiny. The move reflects a rotation out of high-flying AI stocks into safer assets as investors reassess growth prospects.