Biotech updates 07/08/20:   $BIIB Aducanumab BLA filing (Alzheimer’s) +4% $XENT buyout report +29% $MRK Keytruda/Lenvima CRL  Offerings $NNVC $OTIC $QLGN  Pipeline updates $ABEO $ANAB $APTX $CRMD $CRNX $DVAX $PTCT $PTN $RGNX $ZIOP