股市资金流向图：今日沪深两市主力资金净流出449.96亿元，占比2.99%；大单资金净流出244.55亿元，占比1.62%；小单资金净流入406.50亿元，占比2.7%。

Group 1 - The core point of the article indicates that the main funds in the Shanghai and Shenzhen stock markets experienced a net outflow of 44.996 billion yuan, accounting for 2.99% of the total [1] - Large single orders saw a net outflow of 24.455 billion yuan, representing 1.62% of the total [1] - Small single orders, however, recorded a net inflow of 40.650 billion yuan, which is 2.7% of the total [1]