橡胶板块12月25日涨0.56%，科隆新材领涨，主力资金净流出1.41亿元

Group 1 - The rubber sector experienced a rise of 0.56% on December 25, with Kolon New Materials leading the gains [1] - The Shanghai Composite Index closed at 3959.62, up 0.47%, while the Shenzhen Component Index closed at 13531.41, up 0.33% [1] - Kolon New Materials had a closing price of 33.20, with a significant increase of 7.37%, and a trading volume of 59,200 shares, amounting to a transaction value of 194 million yuan [1] Group 2 - The rubber sector saw a net outflow of 141 million yuan from institutional investors, while retail investors contributed a net inflow of 107 million yuan [2] - The trading data indicates that Kolon New Materials had a net outflow of 31 million yuan from institutional investors, despite a net inflow of 742,970 yuan from speculative funds [3] - Other companies like Fengmo Co. and Zhongyu Technology also showed varied net inflows and outflows from different investor categories [3]