China's CSI 300 falls for 11th straight week as AI bubble fears hit risk assets

• —CSI 300 has now fallen 11 weeks in a row, the longest losing streak on record, beating January 2012
• —STAR 50 is down roughly 40% since late June; chipmakers MetaX and Moore Threads have roughly halved
• —Foreign outflows from mainland stocks via Hong Kong topped $13 billion in Q3, the largest this year
• —The sell-off has spread to exchanges in South Korea, Japan and Taiwan