Market Overview - The chemical products sector increased by 1.38% on October 29, with JinHua New Materials leading the gains [1] - The Shanghai Composite Index closed at 4016.33, up 0.7%, while the Shenzhen Component Index closed at 13691.38, up 1.95% [1] Top Performers - JinHua New Materials (Code: 920015) closed at 62.92, up 30.00% with a trading volume of 135,600 shares and a turnover of 746 million [1] - WeiLan Bio (Code: 603739) closed at 15.51, up 10.00% with a trading volume of 96,900 shares and a turnover of 148 million [1] - YiNuoWei (Code: 920261) closed at 16.34, up 7.08% with a trading volume of 48,000 shares and a turnover of 75.93 million [1] Underperformers - XianFeng New Materials (Code: 300163) closed at 4.61, down 7.62% with a trading volume of 1,672,400 shares and a turnover of 787 million [2] - JinJi Co., Ltd. (Code: 300798) closed at 7.63, down 5.92% with a trading volume of 230,600 shares and a turnover of 178 million [2] - KaiLi New Materials (Code: 6888889) closed at 41.10, down 5.30% with a trading volume of 40,900 shares and a turnover of 170 million [2] Capital Flow - The chemical products sector experienced a net outflow of 84.36 million from institutional investors, while retail investors saw a net inflow of 87.49 million [2][3] - Major stocks like KaiMeiTeQi (Code: 002549) had a net inflow of 200 million from institutional investors, while DeMeiHuaGong (Code: 002054) saw a net outflow of 155 million [3]