Analysis-‘Brutal session’ for chip stocks shows AI trade is turning

By Tom Westbrook SINGAPORE, Oct 13 (Reuters) A selloff in AI supplier shares on Tuesday is the strongest sign to date that the mood on the trade of the decade is shifting, with worries rising interest rates could scupper a spending spree bigger than America s historic railroad boom. Nearly four years since the launch of OpenAI s ChatGPT, cash ​has streamed into semiconductor companies, data centre owners, cable companies and anyone reaping revenues from an unprecedented race to ‌build computing infrastructure. Cracks in those bets, which began in June are now widening across markets, with a data centre IPO collapsing last week in Australia and credit investors becoming picky on AI debt. In Asia, selling of Korean chipmaker shares extended into a fifth straight day on Tuesday, accelerating sharply, with the KOSPI index falling more than 6% while in Tokyo memory-maker Kioxia, down 13%, led AI-related losses. The falls are the heaviest since the same sort of stocks collapsed ‌at ​the en