[Stock index futures midday closing] The main contract of CSI 300 Index Futures (IF) rose by 0.24%, the main contract of SSE 50 Index Futures (IH) rose by 0.06%, the main contract of CSI 500 Index Futures (IC) rose by 0.33%, and the main contract of CSI 1000 Index Futures (IM) rose by 0.36%.