Market Overview - The entertainment products sector increased by 0.09% on September 15, with Helen Piano leading the gains [1] - The Shanghai Composite Index closed at 3860.5, down 0.26%, while the Shenzhen Component Index closed at 13005.77, up 0.63% [1] Individual Stock Performance - Helen Piano (300329) closed at 13.51, up 4.00% with a trading volume of 154,500 shares and a turnover of 206 million yuan [1] - Yingpais (002899) closed at 20.52, up 3.85% with a trading volume of 84,300 shares and a turnover of 170 million yuan [1] - Other notable performers include: - Gaole Co. (002348) at 3.99, up 1.53% [1] - Mingyue Lens (301101) at 47.50, up 1.45% [1] - Zhejiang Zhengte (001238) at 49.68, up 0.75% [1] Capital Flow Analysis - The entertainment products sector experienced a net outflow of 16.0175 million yuan from institutional funds and 16.2745 million yuan from speculative funds, while retail investors saw a net inflow of 32.292 million yuan [2] - Key stocks with significant capital flow include: - Yingpais (002899) with a net inflow of 23.9995 million yuan from institutional funds [3] - Mingyue Lens (301101) with a net inflow of 10.8961 million yuan from institutional funds [3] - Grouping of other stocks showed varied net inflows and outflows, indicating mixed investor sentiment [3]