Gabriel Trujillo/iStock via Getty Images Executive Summary Spotify (NYSE:SPOT) is continuing to grow its premium subscriber base even after a price increase was implemented, leading to strong earnings growth. Spotify is also continuing to invest in its own content portfolio, with the hope that an increasing share of the revenue pool will be allocated to its podcasts and audiobooks. Growing revenue share from high-margin content investments would help Spotify to continue increasing margins, even if recor ...