化学制品板块11月20日跌1.8%，嘉澳环保领跌，主力资金净流出27.89亿元

Core Viewpoint - The chemical products sector experienced a decline of 1.8% on November 20, with Jiaao Environmental leading the drop [1] Group 1: Market Performance - On the same day, the Shanghai Composite Index closed at 3931.05, down 0.4% [1] - The Shenzhen Component Index closed at 12980.82, down 0.76% [1] Group 2: Capital Flow - The chemical products sector saw a net outflow of 2.789 billion yuan from main funds, while speculative funds had a net inflow of 258 million yuan [2] - Retail investors contributed a net inflow of 2.531 billion yuan to the sector [2]