Global Market: Samsung, SK Hynix plunge up to 11% as investors reassess AI chip boom

South Korean semiconductor stocks tumbled on Tuesday, with major chipmakers Samsung Electronics and SK Hynix witnessing sharp declines as investors scaled back artificial intelligence-related bets amid growing concerns over the sustainability of AI infrastructure spending and rising competition from China, Reuters reported.

Samsung Electronics shares fell as much as 9.5%, while SK Hynix dropped as much as 10.9%. The broader benchmark KOSPI was trading 7.3% lower as of 0032 GMT, reflecting a broad-based selloff across the technology sector.