Tech selloff deepens as DeepSeek upsets global AI race

By Ankur Banerjee, Rae Wee and Amanda Cooper

LONDON/SINGAPORE (Reuters) -Global technology shares sank on Tuesday, as a market routsparked by the emergence of a low-cost Chinese artificial intelligence model entered its second day, making investors question the sky-high valuation and dominance of AI bellwethers.

Shares of Nvidia (NVDA), a leader in the AI chip market, fell 17% on Monday, wiping $593 billion from its market value – a record one-day loss for any company – and dragged U.S….