Daniel Ek, founder and chief executive officer of Spotify, attends the Cannes Lions 2016 on June 22, 2016 in Cannes, France.Spotify CEO Daniel Ek will step down from his position and move to the role of executive chairman, the company said Tuesday. Spotify shares dipped around 4% following the announcement.Ek, who co-founded the streaming platform in 2006, will be replaced by current co-presidents and longtime executives Gustav Söderström and Alex Norström as co-CEOs, the company said in a release. The tran ...