China stock index futures cratered at the open

• CSI 300 -3%
• SSE 50 -2%
• CSI 500 -3%
• CSI 1000 -4%

Physical exchanges heavy also:

• SHANGHAI COMPOSITE -4.4%,
• SHEN ZHEN -5.9%
• CSI 300 -4.8%

Not much good news from Hong Kong either, Hang Seng -9%