When everyone thinks AI only rises and never falls, Citibank's warning bells become the loudest noise—unfortunately, most people choose to cover their ears.

Mars Finance News, according to Jintou reports, Citigroup strategists say that excessive bullish positioning in U.S. technology stocks is putting investors at risk of a market reversal. The Citi team pointed out that the continued enthusiasm for artificial intelligence themes has pushed bullish market bets to the limit, especially making the Nasdaq 100 Index vulnerable to shocks. Since hitting a bottom in late March, the S&P 500 has risen 20%, and the Nasdaq 100 has surged 33%.