#Stocks making the biggest moves after hours: @Chegg, @Hertz, @L_Brands &amp; more  https://t.co/hH18nnfcH1 $CHGG $HTZ $LB @Pfizer $PFE @AlaskaAir $ALK @DuPont_News $DD @MNK $MNK @Regeneron $REGN @Wayfair $W @MarathonPetroCo $MPC @FCAgroup $FCAU @AMC_TV $AMCX @ShakeShack $SHAK $SBUX