化学制品板块11月19日涨0.41%，东岳硅材领涨，主力资金净流出10.34亿元

Group 1 - The chemical products sector increased by 0.41% on November 19, with Dongyue Silicon Materials leading the gains [1] - The Shanghai Composite Index closed at 3946.74, up 0.18%, while the Shenzhen Component Index closed at 13080.09, unchanged [1] - Key stocks in the chemical products sector showed significant price increases, with Dongyue Silicon Materials rising by 10.94% to a closing price of 16.13 [1] Group 2 - The chemical products sector experienced a net outflow of 1.034 billion yuan from institutional investors, while retail investors saw a net inflow of 1.228 billion yuan [2] - Major stocks like Hesheng Silicon Industry and Morning Light New Materials had varying net inflows and outflows from different investor types [3] - Hesheng Silicon Industry had a net inflow of 25.5 million yuan from institutional investors, while retail investors experienced a net outflow of 46.52 million yuan [3]