Shares of Pandora Media (P) were higher Tuesday after analysts with Goldman Sachs raised their rating on the streaming-music company's stock to CONVICTION BUY from BUY. Goldman's confidence helped buoy the shares by about 4% as the analysts also hiked their price target to $19 from $17 a share. Goldman noted the company is facing "meaningful execution and competitive risks" in its new subscription models but there is "significant potential upside" in Pandora's premium and on-demand subscriptions." Shares of Pandora are now up about 16% over the past three months.

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