中证1000股指期货（IM）主力合约跌0.59%

Core Viewpoint - The stock index futures opened lower on December 16, with declines observed across major contracts, indicating a bearish sentiment in the market [1] Group 1: Stock Index Futures Performance - The CSI 300 stock index futures (IF) main contract fell by 0.27% [1] - The SSE 50 stock index futures (IH) main contract decreased by 0.28% [1] - The CSI 500 stock index futures (IC) main contract dropped by 0.41% [1] - The CSI 1000 stock index futures (IM) main contract declined by 0.59% [1]