化学制品板块1月21日涨0.44%，聚胶股份领涨，主力资金净流入4.27亿元

Group 1 - The chemical products sector increased by 0.44% on January 21, with 聚胶股份 leading the gains [1] - The Shanghai Composite Index closed at 4116.94, up 0.08%, while the Shenzhen Component Index closed at 14255.12, up 0.7% [1] - Notable gainers in the chemical products sector included 聚肢股份, which rose by 10.91% to a closing price of 62.53, and 闻主股份, which increased by 10.01% to 9.01 [1] Group 2 - The chemical products sector experienced a net inflow of 427 million yuan from main funds, while retail investors saw a net outflow of 104 million yuan [2] - Major stocks with significant net inflows included 浙江龙盛 with 234 million yuan and 国土股份 with 149 million yuan [3] - Conversely, stocks like 合盛硅业 and 联盛化学 faced declines of 6.54% and 4.11%, respectively, indicating a mixed performance within the sector [2]