沪深300股指期货（IF）主力合约失守3800点，日内跌幅0.42%。中证500股指期货（IC）主力合约日内跌幅达1.00%，现报5603.8点。

Core Viewpoint - The main contracts of the CSI 300 stock index futures (IF) have fallen below 3,800 points, indicating a decline in market sentiment [1] - The main contracts of the CSI 500 stock index futures (IC) experienced a daily drop of 1.00%, currently reported at 5,603.8 points, reflecting broader market weakness [1] Group 1 - The CSI 300 stock index futures (IF) main contract has a daily decline of 0.42% [1] - The CSI 500 stock index futures (IC) main contract has a daily decline of 1.00% [1] - The current level of the CSI 500 stock index futures (IC) is 5,603.8 points [1]