流感概念快速拉升，北大医药盘中涨停

Group 1 - The core viewpoint of the article highlights a significant surge in flu-related stocks as the flu season begins in China, with notable increases in demand for flu medications [1] - Companies such as Peking University Medicine (000788) experienced a sharp increase, hitting the daily limit, while others like Jindike saw over a 10% rise in stock price [1] - Sales data from Dingdang Kuaiyao on November 22 indicates a substantial increase in the sales of antiviral medications, with Oseltamivir's sales growth rate reaching 237% and Marbofloxacin's increasing by 180% over the past week [1]