Wells Fargo analyst Marci Ryvicker upgraded CBS to Outperform from Market Perform ahead of the company's investor day meeting, scheduled for March 15. Ryvicker said there is a lot more clarity on CBS' core business than when she downgraded the shares last August and that strong ad trends, Nielsen's more accurate measurement system, the company's NFL deal, and better monetization of Showtime could all offer upside for 2016 and beyond. Ryvicker, who argues that CBS should trade at a premium to its broadcasting peers, raised her price target range on the shares to $58-$60 from $48-$50.