医药商业板块9月19日跌1.81%，塞力医疗领跌，主力资金净流出8亿元

Group 1 - The pharmaceutical commercial sector experienced a decline of 1.81% on September 19, with Saily Medical leading the drop [1] - The Shanghai Composite Index closed at 3820.09, down 0.3%, while the Shenzhen Component Index closed at 13070.86, down 0.04% [1] - A table detailing the individual stock performance within the pharmaceutical commercial sector was provided [1] Group 2 - The net outflow of main funds in the pharmaceutical commercial sector was 800 million yuan, while speculative funds saw a net inflow of 368 million yuan, and retail investors had a net inflow of 432 million yuan [2] - A table showing the fund flow for individual stocks in the pharmaceutical commercial sector was included [2]