Global Market: China stocks extend losing streak to 12 weeks as global AI selloff hits tech shares ETMarkets.com The CSI300 was down 0.9% for the week and 7.6% for October, putting it on course for its biggest monthly decline since July.

Synopsis China's CSI300 index fell to a one-year low, extending its losing streak to 12 weeks as a global AI stock selloff weighed on technology shares.

The index is down 14% over 12 weeks and on track for its steepest monthly decline since July, while Hong Kong's Hang Seng advanced.

By Anupam Nagar, ETMarkets.com Oct 30, 2026, 11:29:00 AM IST Follow us Chinese blue-chip stocks edged lower on Friday, October 30, and were headed for a 12th consecutive weekly decline as a global selloff in artificial intelligence-related stocks weighed on investor sentiment.

However, Hong Kong-listed technology and internet companies bucked the broader regional trend, helping the Hang Seng Index advance, Reuters reported.ADVERTISEMENT The CSI300 Index, which tracks China's blue-chip stocks, fell 0.4% to a one-year low by the lunch break.

The Shanghai Composite Index declined 0.3%.

In contrast, Hong Kong's benchmark Hang Seng Index gained 1.6%, supported by a rebound in technology majors.The CSI300 was down 0.9% for the week and 7.6% for October, putting it on course for its biggest monthly decline since July.

Over the past 12 weeks, the index has shed 14%, marking its longest losing streak on record.

The Hang Seng, meanwhile, was up 1.1% for the week, Reuters reported.