Sou Hu Cai Jing·2025-12-04 10:36Core Viewpoint - The Biotech Economy Index (970038) closed at 2117.66 points, down 0.2%, with a trading volume of 10.477 billion yuan and a turnover rate of 0.98% on December 4 [1] Group 1: Index Performance - The index had 17 stocks that rose, with Xinlitai leading at a 3.4% increase, while 33 stocks fell, with Hualan Biological leading the decline at 5.75% [1] - The top ten constituent stocks of the Biotech Economy Index are primarily in the pharmaceutical and biotechnology sectors, with Mindray Medical holding the largest weight at 12.58% and a market capitalization of 242.49 billion yuan [1] Group 2: Capital Flow - On the same day, the main funds saw a net outflow of 459 million yuan, while retail investors had a net inflow of 428 million yuan [3] - The detailed capital flow for specific stocks shows that Hongri Pharmaceutical had a net inflow of 38.07 million yuan from main funds, while it experienced a net outflow of 59.67 million yuan from retail investors [3] Group 3: Index Adjustment - The Biotech Economy Index underwent adjustments, adding 9 new stocks and removing 9 stocks [4] - New additions include Chaoyan Co., Kanghua Biotechnology, and Yingke Medical, while notable removals include Wens Foodstuffs and Hongri Pharmaceutical [4]