医药商业板块1月19日涨0.39%，达嘉维康领涨，主力资金净流出4.36亿元

Core Viewpoint - The pharmaceutical commercial sector experienced a slight increase of 0.39% on January 19, with significant contributions from stocks like Dajia Weikang, which led the gains [1] Group 1: Market Performance - The Shanghai Composite Index closed at 4114.0, up by 0.29%, while the Shenzhen Component Index closed at 14294.05, up by 0.09% [1] - Dajia Weikang (301126) led the sector with a closing price of 13.91, reflecting a rise of 6.43% and a trading volume of 162,500 shares, amounting to a transaction value of 220 million yuan [1] - Other notable performers included Dacianlin (603233) with a 4.37% increase, Guofang Co. (600538) up by 3.27%, and Yifeng Pharmacy (603939) rising by 2.55% [1] Group 2: Fund Flow Analysis - The pharmaceutical commercial sector saw a net outflow of 436 million yuan from institutional investors, while retail investors contributed a net inflow of 486 million yuan [2] - The individual stock fund flow indicated that Ruikang Pharmaceutical (002589) had a net inflow of 19.77 million yuan from institutional investors, while it faced a net outflow of 17.52 million yuan from retail investors [3] - Dajia Weikang (301126) also experienced a net inflow of 13.40 million yuan from institutional investors, despite a net outflow of 15.06 million yuan from retail investors [3]