The fintech leader still faces a murky future.PayPal (PYPL 0.33%) was once considered a reliable play on the growing fintech market. It was one of the world's largest digital payment platforms, and it initially generated robust growth after its spin-off from eBay in 2015.But over the past three years, PayPal's stock plunged 80%. The bulls, who had driven the stock to an all-time high in 2021, retreated as its growth cooled off. Let's see if this out-of-favor stock can bounce back over the next three years. ...