$Netflix(NFLX.US)$ I bought it at a very high price. Do you think i should sell or just wait?

Monday - Stitchfix $Stitch Fix(SFIX.US)$
$Shift4 Payments(FOUR.US)$
Tuesday - * HR BLOCK $H&R Block(HRB.US)$ (I've been thinking about new ideas. I'm thinking h&r block might be a good ticker to look into with all the stimulus action)
THOR $Thor Industries(THO.US)$  (just learned this is Blockchain related energy stock, anything energy right now is a worth looking into along with $Array Technologies(ARRY.US)$ , $Marinus Pharmaceuticals(MRNS.US)$