$PFE Pfizer Targets Summer For COVID-19 Vaccine Human Trials; Potential Treatment Also In The Works $RVIV Reviv3 Treat Hair Care serum Achieves #7 Best Seller Ranking on Amazon Hair Growth Tonic Category https://t.co/JmVMGWfBYD $IBB $AMZN $WMT $GILD $MRK $JNJ $PFE $NVS $CELG #FDA