Another down day to finish the week - Sorrento the winner, Dynavax the loser.

Another down day for COVID VACCINE STOCKS - falling on average 2.3%. Paradoxically, a majority (14) of the stocks were up, with 12 going down with VBI flat.Sorrento Therapeutics was the top performer -- up 5.5%. Dynavax was the big loser on an earnings miss -- dropping just over 13%.