Japanese technology shares fell on Tuesday as a global market rout sparked by the emergence of a low-cost Chinese artificial intelligence model entered day two, with investors questioning the sky-high valuation and dominance of AI bellwethers.

Global investors dumped tech stocks amid the emergence of a low-cost Chinese AI model, leaving Nvidia with a record one-day loss for any company on Wall Street.

ToplineNvidia headed toward a dubious Wall Street record Monday, as the stock at the forefront of the U.S.-led artificial intelligence revolution got a scare from DeepSeek, the Chinese AI company which developed a ChatGPT rival at a fraction of the reported cost of its American peers.