橡胶板块8月19日跌0.65%，利通科技领跌，主力资金净流出1.42亿元

Market Overview - The rubber sector experienced a decline of 0.65% on August 19, with Litong Technology leading the drop [1] - The Shanghai Composite Index closed at 3727.29, down 0.02%, while the Shenzhen Component Index closed at 11821.63, down 0.12% [1] Stock Performance - Notable gainers in the rubber sector included: - Zhen'an Technology (300767) with a closing price of 21.30, up 7.25% and a trading volume of 506,700 shares, totaling 1.06 billion yuan [1] - Kelon New Materials (920098) closed at 36.84, up 2.88% with a trading volume of 35,100 shares, totaling 128 million yuan [1] - Major decliners included: - Litong Technology (832225) which closed at 28.59, down 6.57% with a trading volume of 163,900 shares, totaling 473 million yuan [2] - Zhongyu Technology (871694) closed at 23.42, down 5.94% with a trading volume of 57,900 shares, totaling 138 million yuan [2] Capital Flow - The rubber sector saw a net outflow of 142 million yuan from institutional investors, while retail investors experienced a net inflow of 44.22 million yuan [2] - The capital flow for specific stocks showed: - Haida Co. (300320) had a net inflow of 33.43 million yuan from institutional investors, but a net outflow of 21.02 million yuan from retail investors [3] - Shuangjian Co. (002381) had a net inflow of 9.44 million yuan from institutional investors, but a net outflow of 2.68 million yuan from retail investors [3]