If AI, semiconductors and robotics deliver the economy's biggest productivity gains, they become a capital black hole that drains investment from other industries and lifts yields and real rates. Owning Walmart and Costco at 50x P/E or Coca-Cola at 25x would then make no sense, and few savers would accept a 5% Treasury yield while the AI economy booms. Investment demand jumps as savings fall, so the risk-free rate climbs and macro valuations compress. x.comÂ
