12月15日医疗健康R（480016）指数跌1.42%，成份股泽璟制药（688266）领跌

Core Viewpoint - The Medical Health R Index (480016) experienced a decline of 1.42% on December 15, closing at 7247.38 points, with a total transaction volume of 21.207 billion yuan and a turnover rate of 0.7% [1] Group 1: Index Performance - On the same day, 12 out of the index's constituent stocks rose, with Tongrentang leading at a 2.38% increase, while 35 stocks fell, with Zaiqing Pharmaceutical leading the decline at 8.6% [1] - The net outflow of main funds from the index's constituent stocks totaled 917 million yuan, while retail investors saw a net inflow of 676 million yuan [1] Group 2: Constituent Stocks Details - The top ten constituent stocks of the Medical Health R Index are as follows: - Zaiqing Pharmaceutical (sh688266) with a market cap of 26.471 billion yuan, down 8.6% - Sanofi (sh688336) with a market cap of 37.439 billion yuan, down 5.83% - Dize Pharmaceutical (sh688192) with a market cap of 26.998 billion yuan, down 5.73% - Shenzhou Cell (sh688520) with a market cap of 19.884 billion yuan, down 4.08% - Xinlitai (sz002294) with a market cap of 62.987 billion yuan, down 3.75% - Kanglong Chemical (sz300759) with a market cap of 51.301 billion yuan, down 3.54% - East China Pharmaceutical (sz000963) with a market cap of 70.231 billion yuan, down 3.40% - WuXi AppTec (sh603259) with a market cap of 272.148 billion yuan, down 3.02% - Hengrui Medicine (sh600276) with a market cap of 407.391 billion yuan, down 3.00% - Kyoto Biopharmaceuticals (sz002653) with a market cap of 59.423 billion yuan, down 3.00% [1] Group 3: Fund Flow Details - The fund flow details for the constituent stocks indicate that: - Ziyun Mountain (600332) had a main fund net inflow of 79.604 million yuan - Tongrentang (600085) had a main fund net inflow of 61.288 million yuan - Pianzai Slimming (600436) had a main fund net inflow of 38.587 million yuan - Zaiqing Pharmaceutical (688266) had a main fund net inflow of 25.856 million yuan - The overall trend shows a significant net outflow from retail investors across various stocks [2] Group 4: Index Adjustment - On December 15, 2025, the Medical Health R Index underwent adjustments, adding four new stocks: - Sanofi (688336) with a market cap of 37.439 billion yuan - Dize Pharmaceutical (688192) with a market cap of 26.998 billion yuan - Changshan Pharmaceutical (300255) with a market cap of 62.230 billion yuan - Kanghong Pharmaceutical (002773) with a market cap of 27.907 billion yuan - Four stocks were removed from the index, including Jianyou Co. (603707) and Tongce Medical (600763) [3]