化学原料板块11月20日跌1.7%，英力特领跌，主力资金净流出7.45亿元

Group 1 - The chemical raw materials sector experienced a decline of 1.7% compared to the previous trading day, with Yinglite leading the drop [1] - On the same day, the Shanghai Composite Index closed at 3931.05, down 0.4%, while the Shenzhen Component Index closed at 12980.82, down 0.76% [1] Group 2 - In terms of capital flow, the chemical raw materials sector saw a net outflow of 745 million yuan from main funds, while retail investors contributed a net inflow of 686 million yuan [2] - Speculative funds recorded a net inflow of approximately 58.91 million yuan into the sector [2]