Coinspeaker NVAX Stock Rises 7% in Pre-market as Novavax Starts Late-Stage Covid-19 Vaccine Trials in UKFollowing the news about the progress with COVID-19 vaccine trials, Novavax shares which closed 0.86% higher on Thursday gained more than 7.33% in the pre-market.NVAX Stock Rises 7% in Pre-market as Novavax Starts Late-Stage Covid-19 Vaccine Trials in UK