Price increases and cost discipline helped the audiostreaming giant pivot from heavy spending on growth to sustained profits.

Spotify's posted impressive Q4 earnings, with growth in subscribers, revenue, and a profitable year ahead. Click here to find out why I rate SPOT as a Buy.

In the past, Spotify has spent heavily upfront to build new product experiences, like podcasts, which dragged on its profits. But this year, Spotify plans to do more "with pretty much the same amount of resources that we already have at the company,