医疗服务板块1月13日涨4.15%，诺思格领涨，主力资金净流入14.97亿元

Core Insights - The medical services sector experienced a significant increase of 4.15% on January 13, with Norska leading the gains [1] - The Shanghai Composite Index closed at 4138.76, down 0.64%, while the Shenzhen Component Index closed at 14169.4, down 1.37% [1] Group 1: Stock Performance - Norska (301333) closed at 76.48, up 20.01% with a trading volume of 55,200 shares and a transaction value of 397 million yuan [1] - Yingsi (301257) also saw a rise of 20.00%, closing at 72.24 with a trading volume of 22,900 shares [1] - Hongbo Pharmaceutical (301230) increased by 20.00%, closing at 56.64 with a trading volume of 57,200 shares [1] - Lanwei Medical (301060) rose by 19.96%, closing at 13.28 with a trading volume of 135,210 shares [1] - Boji Pharmaceutical (300404) increased by 19.96%, closing at 12.92 with a trading volume of 627,100 shares [1] - Dian Diagnostics (300244) saw an increase of 11.90%, closing at 29.16 with a trading volume of 1,516,000 shares [1] Group 2: Capital Flow - The medical services sector saw a net inflow of 1.497 billion yuan from institutional investors, while retail investors experienced a net outflow of 713 million yuan [2] - The main stocks with significant capital flow include International Medical (000516) with a net inflow of 259 million yuan from institutional investors [3] - Boji Pharmaceutical (300404) had a net inflow of 243 million yuan from institutional investors, but also saw a net outflow of 140 million yuan from retail investors [3]