#Stocks making the biggest moves premarket: @Walgreens, @Square, @CarnivalCruise, @SixFlags, @AlibabaGroup &amp; more https://t.co/ytW0Q5rLJ8 $WBA $SQ $CCL $SIX $BABA @DocuSign $DOCU @Regeneron $REGN @Cisco $CSCO @BioXcel_Tx  $BTAI