China blue chips fall to 14 — month low on tech selloff

HONG KONG, Oct 13 (Reuters) — China and Hong Kong stocks fell on Tuesday as a selloff in AI-related shares swept across Asia, pushing China's blue-chip index to its lowest in more than a year. * At the midday break, the blue-chip CSI300 Index was down 0.6%, hitting its weakest level since August 2025, while the Shanghai Composite Index was down 0.3% at 3,787.16, a three-month low. * Shanghai's tech-focused STAR50 Index fell as much as 3.6% before recouping some losses to trade 0.7% lower, while the start-up board ChiNext Composite Index slipped 0.1%. * The CSI AI Index dropped 0.9% to a six-month low, and the CSI Semiconductor Index lost 0.5%, extending their losses from July peaks to more than 30%. * Market heavyweight CXMT fell as much as 5.3% to the lowest level since July despite reports of progress on its memory-chip design. * "It's hard to say investors' concerns about the fundamentals of these tech shares are fully priced in, even after the recent sharp correction," analysts at Sinolink Securities said in a note. * With the AI rally also cooling in the US, Chinese tech shares will struggle to rebound in the near term, they said. * Among other losers on Tuesday, new energy ve