化妆品板块10月20日跌0.33%，丸美生物领跌，主力资金净流出1061.54万元

Core Insights - The cosmetics sector experienced a decline of 0.33% on October 20, with Marubi Biotechnology leading the drop [1] - The Shanghai Composite Index closed at 3863.89, up 0.63%, while the Shenzhen Component Index closed at 12813.21, up 0.98% [1] Market Performance - Notable gainers in the cosmetics sector included: - Jiahen Homecare (300955) with a closing price of 29.19, up 6.22% [1] - Huaye Fragrance (300886) with a closing price of 28.63, up 1.45% [1] - Keshare (300856) with a closing price of 13.77, up 1.32% [1] - Marubi Biotechnology (603983) closed at 36.84, down 2.57%, marking the largest decline in the sector [2] Trading Volume and Capital Flow - The cosmetics sector saw a net outflow of 10.6154 million yuan from institutional investors, while retail investors experienced a net outflow of 15.8642 million yuan [2] - Conversely, speculative funds recorded a net inflow of 26.4796 million yuan [2] Individual Stock Capital Flow - Shanghai Jahwa (600315) had a significant net outflow of 23.5185 million yuan from institutional investors, while it attracted a net inflow of 7.4057 million yuan from speculative funds [3] - Jiahen Homecare (300955) saw a net inflow of 8.9635 million yuan from institutional investors, but a net outflow of 3.4693 million yuan from speculative funds [3] - Keshare (300856) experienced a net inflow of 5.6164 million yuan from institutional investors, with a net outflow of 680.09 million yuan from retail investors [3]