医药商业板块9月18日涨0.62%，中国医药领涨，主力资金净流入6.44亿元

Core Insights - The pharmaceutical commercial sector saw a rise of 0.62% on September 18, with China National Pharmaceutical leading the gains [1] - The Shanghai Composite Index closed at 3831.66, down 1.15%, while the Shenzhen Component Index closed at 13075.66, down 1.06% [1] Stock Performance - China National Pharmaceutical (600056) closed at 12.05, up 10.05% with a trading volume of 1.4056 million shares and a transaction value of 1.659 billion [1] - Other notable gainers included: - Liaoning Pharmaceutical Group (603368) at 20.03, up 5.98% [1] - Zhejiang Zhenyuan (000705) at 9.80, up 5.60% [1] - Conversely, some stocks experienced declines, such as: - Baiyang Pharmaceutical (301015) at 29.40, down 3.10% [2] - Yifeng Pharmacy (603939) at 25.46, down 2.90% [2] Capital Flow - The pharmaceutical commercial sector experienced a net inflow of 644 million in main funds, while retail investors saw a net outflow of 440 million [2] - The main fund inflows for key stocks included: - China National Pharmaceutical with a net inflow of 493 million, accounting for 29.73% [3] - Shanghai Pharmaceutical (601607) with a net inflow of 66.72 million, accounting for 11.14% [3] - Notable outflows included: - Shanghai Pharmaceutical with a retail outflow of 70.57 million, accounting for -11.78% [3] - Yifeng Pharmacy with a retail outflow of 15.69 million, accounting for -7.20% [3]