The Federal Reserve's semiannual report said asset values for equities, corporate debt and residential real estate are above historical norms.

China A-share commercial space sector rallied in the afternoon after state media reported a Long March-10B booster was successfully recovered on an offshore platform — the first controlled sea recovery of a carrier-rocket first stage in China. Hailanxin hit a 20% daily limit, Chaojie jumped over 14% in a straight-line move, and Tianli Composite, Feiwo Technology, Xingtú Measurement & Control and Chuangyuan Xinke also advanced.

FTSE China A50 futures opened 0.38% higher.