Zheng Xing Xing Ye Ri Bao·2025-09-30 08:42Core Viewpoint - The biopharmaceutical sector experienced a slight increase of 0.49% on September 30, with Rongchang Biopharmaceutical leading the gains. The Shanghai Composite Index closed at 3882.78, up 0.52%, while the Shenzhen Component Index closed at 13526.51, up 0.35% [1]. Group 1: Stock Performance - Rongchang Biopharmaceutical (688331) closed at 116.88, with a rise of 6.25% and a trading volume of 85,900 shares, totaling a transaction value of approximately 988.6 million yuan [1]. - Kangbuno (688185) saw a closing price of 79.52, increasing by 2.59% with a trading volume of 16,800 shares, amounting to around 133 million yuan [1]. - Other notable performers included Sanyuan Gene (837344) with a 2.49% increase, closing at 26.74, and Wowo Biopharmaceutical (300357) with a 2.24% rise, closing at 29.19 [1]. Group 2: Capital Flow - The biopharmaceutical sector experienced a net outflow of 31.34 million yuan from institutional investors, while retail investors saw a net outflow of 161 million yuan. Conversely, speculative funds recorded a net inflow of 193 million yuan [2]. - The capital flow data indicates that Junshi Biosciences (688180) had a net inflow of approximately 28.17 million yuan from institutional investors, while it faced a net outflow of 22.59 million yuan from retail investors [3]. - Other companies like Olin Biopharmaceutical (688136) and Wowo Biopharmaceutical (300601) also showed varied capital flows, with Olin experiencing a net inflow of 20.08 million yuan from institutional investors [3].