Group 1 - The Medical Health Index (980016) closed at 6402.95 points on January 8, with a slight increase of 0.03% and a trading volume of 27.797 billion yuan, resulting in a turnover rate of 0.92% [1] - Among the constituent stocks of the index, 21 stocks rose, with Kelun Pharmaceutical leading the gains at 6.19%, while 25 stocks declined, with Aier Eye Hospital leading the losses at 3.87% [1] Group 2 - The net outflow of main funds from the Medical Health Index constituent stocks totaled 762 million yuan, while retail investors saw a net inflow of 176 million yuan [2] - Over the past 10 days, there has been an adjustment in the constituent stocks of the Medical Health Index, with one stock added and one stock removed [2]