Tactic: Invest at first profitable quarter and hold.
Case study: ETSY pre-covid chart. Post covid high of like $300 is too silly to show.
Note:
#1. Apr'15. IPO madness of $32 died down to $8 after about 6 months.
#2. Mar'16First profitable quarter at $8, then profitability backslid but that was the new price low. If buying and holding at point #2 until point #4,...