Core Insights - The photovoltaic equipment sector experienced a slight increase of 0.43% on September 15, with Jing Sheng Mechanical & Electrical 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] Stock Performance - Jing Sheng Mechanical & Electrical (300316) closed at 38.07, up 8.49% with a trading volume of 696,100 shares and a transaction value of 2.624 billion [1] - Other notable performers included: - Micro导纳米 (688147) at 47.99, up 8.28% [1] - 海优新材 (688680) at 52.10, up 5.32% [1] - 永臻股份 (603381) at 24.65, up 4.58% [1] - 通灵股份 (301168) at 40.74, up 2.93% [1] Fund Flow Analysis - The photovoltaic equipment sector saw a net outflow of 633 million from institutional investors, while retail investors contributed a net inflow of 500 million [2] - The sector's overall fund flow indicates a mixed sentiment, with institutional investors withdrawing capital while retail investors increased their positions [2] Individual Stock Fund Flow - Key stocks with significant fund flow include: - 阿特斯 (688472) with a net inflow of 158 million from institutional investors [3] - 微导纳米 (688147) with a net inflow of 94.6 million from institutional investors [3] - 高测股份 (688556) with a net inflow of 76.9 million from institutional investors [3]