News Spotify valuation slips 9.8% from opening trade - but Daniel Ek will be happy News Value has trebled in past three years News Subscription to Spotify going for a tiny fraction of its original price says the Dark Web Market Price Index News Musician and synch agent Josh Collum offers a more positive take on Spotify's numbers News Artist manager and entrepreneur speaks out about his concerns for the future of the music business Analysis How the service is current divided between the 'haves' and the 'have-nots' News Co-founder Martin Lorentzon could sell up to $2.9bn-worth of shares Analysis News CFO Barry McCarthy explains why Daniel Ek's company believes it will beat its rivals "like a drum"