LONDON - Global shares rose on Tuesday as AI optimism boosted tech stocks, while expectations of U.S. interest rate cuts pushed gold to record highs and investors awaited remarks from Federal Reserve Chair Jerome Powell. Chris Weston, head of research at broker Pepperstone, noted that investors were hedging their exposure to stocks by buying gold. MIXED MESSAGING FROM FED, DOLLAR CONTINUES TO SEESAWThe EURO STOXX 600, which has tended to lag in the rush to tech stocks, gained 0.5%, powered by utilities shares. Global equities have been supported by expectations of further Fed rate cuts after it eased policy last week. New Fed Governor Stephen Miran called for sharp rate cuts on Monday, while three colleagues urged caution on inflation.