A股部分流感概念股拉升！华兰疫苗涨18%，沃森生物、特一药业、华兰生物、亨迪药业、万泰生物、百克生物跟涨

Group 1 - The core point of the article highlights a significant increase in the stock price of Hualan Vaccine by 18%, indicating positive market sentiment towards the company [1] - Other companies in the vaccine and biopharmaceutical sector, including Watson Bio, Teva Pharmaceutical, Hualan Biological, Weilan Bio, Hendi Pharmaceutical, Wantai Bio, and Baike Bio, also experienced stock price increases, suggesting a broader trend in the industry [1]