Novavax rockets back up to top - total return up to 221%

Novavax absolutely rocks back to top spot, upping its total return from 1044% to 1211%. In four weeks, it has moved the return from 731% back up almost 500 points. 

PDS Bio dropped its return a full 59%. Immunity Bio was the only other top ten stock to drop - Immunity lost 48% on its total return, falling all the way from sixth down to tenth.

The total return has climbed up to 221% - getting closer to the maximum highest return of 280% reached on February 13.