If there is no down where does the up gonna come from?

$Clover Health(CLOV.US)$
when u sell u material the lost, meaning u surrender to the beating. when u hold u just need to throw it back at the price u deem fit later.
Above statement will not be possible if:
1) The company closed down
2) You need the invested money for yr busfare tomorrow morning.
3) After u sold yr share and admitted defeat.