橡胶板块12月24日涨0.53%，利通科技领涨，主力资金净流入3.7万元

Group 1 - The rubber sector experienced a rise of 0.53% on December 24, with Litong Technology leading the gains [1] - The Shanghai Composite Index closed at 3940.95, up 0.53%, while the Shenzhen Component Index closed at 13486.42, up 0.88% [1] - Key stocks in the rubber sector showed significant increases, with Litong Technology rising by 6.73% to a closing price of 32.68, and Kelong New Materials increasing by 5.03% to 30.92 [1] Group 2 - The rubber sector saw a net inflow of 37,000 yuan from main funds, while retail funds had a net inflow of 3,297,940 yuan, indicating mixed investor sentiment [2] - Major stocks like Kexin New Source had a significant main fund inflow of 61,224,000 yuan, despite a net outflow from retail investors of 5,610,100 yuan [3] - Kelong New Materials also attracted a main fund inflow of 15,971,800 yuan, with a small net inflow from retail investors [3]