橡胶板块10月30日跌2.43%，利通科技领跌，主力资金净流出1.32亿元

Market Overview - The rubber sector experienced a decline of 2.43% on October 30, with Li Tong Technology leading the drop [1] - The Shanghai Composite Index closed at 3986.9, down 0.73%, while the Shenzhen Component Index closed at 13532.13, down 1.16% [1] Stock Performance - Notable gainers in the rubber sector included: - Sanlisi (002224) with a closing price of 4.49, up 1.58% on a trading volume of 436,400 shares and a turnover of 197 million yuan [1] - Sanwei Equipment (920834) closed at 16.76, up 1.39% with a trading volume of 86,500 shares and a turnover of 146 million yuan [1] - Major decliners included: - Li Tong Technology (920225) which fell 13.10% to a closing price of 37.28, with a trading volume of 126,500 shares and a turnover of 515 million yuan [2] - Zhen'an Technology (300767) decreased by 12.77% to 21.85, with a trading volume of 363,800 shares and a turnover of 841 million yuan [2] Capital Flow - The rubber sector saw a net outflow of 132 million yuan from institutional investors, while retail investors experienced a net outflow of 16.56 million yuan [2] - Conversely, speculative funds recorded a net inflow of 149 million yuan [2] Individual Stock Capital Flow - Zhen'an Technology (300767) had a net inflow of 13.71 million yuan from institutional investors, while retail investors faced a net outflow of 80.84 million yuan [3] - Sanwei Equipment (300731) saw a net inflow of 6.57 million yuan from institutional investors, with retail investors experiencing a net outflow of 26.70 million yuan [3] - Longxing Technology (002442) had a net outflow of 1.96 million yuan from institutional investors, while speculative funds recorded a net inflow of 1.93 million yuan [3]