GLOBAL MARKETS-Tech giants' spending spooks investors and drives bonds rally

Tech shares slumped on Friday and US bonds surged toward their biggest monthly gain in nearly three years as investors scurried to safety due to worries that huge and rising AI spending may not deliver sufficient returns Futures trading pointed to falls on Wall Street later in the session including a more than 25 drop in the tech-heavy Nasdaq 100 That came alongside an out-of-hours plunge of 25 in Intel shares and a drop of 6 in Amazon as their results showed they burned through cash