橡胶板块1月9日涨0.54%，科强股份领涨，主力资金净流出4.15亿元

Group 1: Market Performance - The rubber sector increased by 0.54% on January 9, with Keqiang Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 4120.43, up 0.92%, while the Shenzhen Component Index closed at 14120.15, up 1.15% [1] Group 2: Individual Stock Performance - Keqiang Co., Ltd. (code: 920665) closed at 15.32, with a rise of 4.79% and a trading volume of 121,800 shares, amounting to a transaction value of 187 million [1] - Other notable performers include: - Sanwei Co., Ltd. (code: 603033) closed at 11.02, up 2.89% [1] - Tongcheng New Materials (code: 603650) closed at 57.62, up 1.57% [1] - Kelong New Materials (code: 920098) closed at 32.19, up 0.91% [1] Group 3: Capital Flow Analysis - The rubber sector experienced a net outflow of 415 million from institutional investors, while retail investors saw a net inflow of 305 million [2] - The capital flow for individual stocks shows: - Keqiang Co., Ltd. had a net outflow of 9.84 million from institutional investors [3] - Sanwei Co., Ltd. had a net inflow of 8.68 million from institutional investors [3] - Double Arrow Co., Ltd. (code: 002381) had a net inflow of 4.11 million from institutional investors [3]