After hours movers (Aug 18)
Gainers
$REDU 15.52% ~ RISE Education Cayman Ltd
$VRCA 7.1% ~ Verrica Pharma
$CSPR 6.47% ~ Casper Sleep
$CTK 2.16% ~ CooTek (Cayman)
$VRT 1.59% ~ Vertiv Holdings
Losers
$CNK -4.3% ~ Cinemark Holdings
$PSTX -33.31%
$CANF -1.12% ~ Can-Fite BioPharma Ltd.