化学制品板块9月30日涨0.89%，壶化股份领涨，主力资金净流出1.63亿元

Group 1 - The chemical products sector increased by 0.89% on September 30, with Huahua Co. leading the gains [1] - The Shanghai Composite Index closed at 3882.78, up 0.52%, while the Shenzhen Component Index closed at 13526.51, up 0.35% [1] - Notable stock performances include Huahua Co. with a closing price of 25.41, up 10.00%, and Changhua Chemical at 37.65, up 9.58% [1] Group 2 - The chemical products sector experienced a net outflow of 163 million yuan from institutional investors, while retail investors saw a net inflow of 123 million yuan [2] - The top stock with the highest net inflow from institutional investors was Juhua Co. with 252.1 million yuan, representing 12.83% of its total [3] - Retail investors showed significant interest in Huahua Co., which had a net outflow of 54.09 million yuan from retail investors [3]