12月5日全指材料（000987）指数涨2.13%，成份股国际复材（301526）领涨

Core Viewpoint - The overall materials index (000987) experienced a rise of 2.13% on December 5, closing at 4681.4 points, with a total trading volume of 125.67 billion yuan and a turnover rate of 1.57% [1] Group 1: Index Performance - The index saw 137 stocks increase in value, with International Composite Materials leading the gainers at a 20.03% increase, while 24 stocks declined, with Multi-Fluorine leading the losses at a 2.46% decrease [1] - The top ten constituent stocks of the index include Zijin Mining, Wanhua Chemical, and others, with Zijin Mining holding the largest weight at 11.36% and a price increase of 2.05% [1] Group 2: Capital Flow - The net inflow of main funds into the index's constituent stocks totaled 3.025 billion yuan, while retail investors experienced a net outflow of 488 million yuan [3] - The detailed capital flow indicates that Zijin Mining had a net inflow of 731 million yuan from main funds, while it faced a net outflow of 2.01 billion yuan from retail investors [3] Group 3: Index Adjustments - Recent adjustments to the index included the addition of 16 new stocks and the removal of 5 stocks, effective December 15, 2025 [4] - Newly added stocks include companies like Shangwei New Materials and Lianrui New Materials, while stocks such as Jinhui Co. and Sanyou Chemical were removed from the index [4]