This is a nice example of how following who's involved can lead to excellent opportunities. Just look at SAVA. In the Christmas months of 2019, multiple insiders were seen purchasing $100's of thousands worth of shares immediately before the share price skyrocketed several hundred percent. Fast forward 13 months later, and the price broke $100..
Still, many times, you question whether these sharp intraday rallies are the product of market manipulation, as they always seem to happen immediately before heavy sell offs, but who knows..