【股指期货早盘收盘】金十期货7月28日讯，沪深300股指期货（IF）主力合约跌0.34%，上证50股指期货（IH）主力合约跌0.17%，中证500股指期货（IC）主力合约跌0.32%，中证1000股指期货（IM）主力合约跌0.40%。

Core Viewpoint - The stock index futures market showed a downward trend in early trading, with all major contracts experiencing declines [1] Group 1: Index Performance - The CSI 300 index futures (IF) main contract fell by 0.34% [1] - The SSE 50 index futures (IH) main contract decreased by 0.17% [1] - The CSI 500 index futures (IC) main contract dropped by 0.32% [1] - The CSI 1000 index futures (IM) main contract declined by 0.40% [1]