Attorneys general from 48 US states along with Puerto Rico and the District of Columbia are investigating whether Google's huge online search and advertising business is engaging in monopolistic behavior.
The music-streaming pioneer bought two podcasting companies, Gimlet and Anchor.
The song overtook the likes of Nirvana's "Smells Like Teen Spirit," and Guns N' Roses' "Sweet Child O'Mine" after an autobiographical movie about the band's lead singer Freddie Mercury brought the 1975 hit to a new generation.
American rapper Drake has become the most streamed artist of 2018 in both Apple Music and Spotify music lists.
Spotify's new policy, which defines hateful conduct as "something that is especially harmful or hateful," including sexual violence, has led to the singer being removed from its playlists and recommendation algorithms.
The stock market's rousing reception left Spotify with a market value of about $28 billion, according to FactSet.
The music streaming service, launched in 2008, has become the biggest such company in the world, available in more than 60 countries.
The boom in streaming has revived the music business in recent years. Despite the strong growth, sales are still below levels from before the advent of the internet, which devastated the music industry as fans flocked online.
The deal with Sony would be the second major label deal for Spotify, which is looking at a possible flotation this year.
Gorkem Sala is among the most streamed artists on various music platforms, such as iTunes, Spotify and Deezer. His album "His Diyari" has topped many lists.
Despite its 100 million users and 50 million paid subscribers, Spotify loses money. The deal will nudge its free users to pay up.
Music sales grow at fastest rate in nearly 2 decades says global trade body
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