Asia's trillion-dollar titans are powering — and distorting — its fastest growing stock markets

Taiwan Semiconductor Manufacturing Co. (TSMC) signage on the floor of the New York Stock Exchange (NYSE) in New York, US, on Friday, Jan. 2, 2026. Michael Nagle | Bloomberg | Getty Images As South Korea's and Taiwan's benchmark indexes surged to record highs this year — powered by Asia's trillion-dollar titans — it has raised concerns that their rallies are becoming dangerously dependent on a handful of artificial intelligence winners. …