TSMC is trading 3.14% down in pre-market at $418.93, apparently tied to a broader semiconductor selloff as investors reassess returns on heavy AI infrastructure spending. - Reuters reported that weak outlooks from Intel and Amazon, alongside Alphabet’s earnings-driven decline, drove technology stocks lower and sent chipmakers across Asia into a tailspin. - No new TSMC-specific announcement was identified; semiconductor stocks were down 2.81% pre-market, supporting a sector-driven explanation.