Shares of Novavax Inc. /zigman2/quotes/202614340/composite NVAX +10.99% gained 2.9% in trading on Tuesday after the company said it expects to launch a Phase 3 trial for its COVID-19 vaccine candidate in Mexico and the U.S. by the end of next month. It already started a late-stage trial for its vaccine in the U.K. in September. Novavax has published some data for its experimental COVID-19 vaccine from its Phase 1 clinical trial, in September in the New England Journal of Medicine. It said Tuesday it plans to present new reactogenicity data from the Phase 2 trial on Friday, during an advisory committee on immunization practices meeting convened by the Centers for Disease Control and Prevention. Novavax's stock has soared 2,180.1% so far this year, compared with the S&P 500 /zigman2/quotes/210599714/realtime SPX -0.46% , which is up 5.2%.