Tech barons are seeking to raise outrageous sums before the balloon goes up. If it does, where will portfolio investment go?

LONDON, June 10 : An AI boom has driven stock markets to record highs, big tech firms are piling hundreds of billions of dollars into new tech, while consumers, workers and…

Signs of excess are mounting in AI trade, with soaring IPOs and stretched valuations echoing run-ups to past market peaks, analysts say.