Stock index futures expanded their gains. The main contract of CSI 1000 stock index futures (IM) stood at 6,100 points, rising nearly 2% in the day. The main contract of Shanghai 50 stock index futures (IH) broke through 2,700 points, rising 0.78% in the day. The main contract of CSI 500 stock index futures (IC) rose nearly 2.00% in the day, and is now at 5,979 points. The main contract of CSI 300 stock index futures (IF) rose more than 1%.