Amazon.com Inc. has added Universal Music artists, including Katy Perry, Luke Bryan, The Weekend, Drake and Ariana Grande, to its Prime Music service. Amazon also launched music playlists on Prime on Tuesday. The music service, which competes with the likes of Spotify and Apple Music , is currently only available in the U.S. and U.K. Amazon's stock has risen more than 17% over the last three months, versus an 8.5% decline for the S&P 500. Its shares rose 1.4% to $510.97 in recent trade.
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