SK Hynix fell near 13% on Tuesday, July 28, in early trading. Samsung Electronics also dropped over 12% as the sell-off swept across Asian markets.

The sell-off erased billions in market value across Korea, Japan, and Taiwan in a single session. It extended a broader pullback in AI-linked chipmakers that began after Wall Street’s own chip stocks weakened.

Wall Street Contagion and Nvidia’s OpenAI Bet Spook Investors

U.S. chip stocks weakened again overnight, adding losses at AMD, Teradyne, and Micron. That weakness followed a a Wall Street Journal story on Nvidia’s financing plans.

Nvidia is reportedly negotiating a $250 billion guarantee to help OpenAI lease a 10-gigawatt data center campus in Ohio. OpenAI lacks an investment-grade…