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Shares of BlackBerry are getting a boost from Morgan Stanley analyst Ehud Gelblum, who upgraded the company to "overweight" from "underweight" and more than doubled his price target, from (US) $10 to $22. What's behind Morgan Stanley's stark reversal on the company?
What’s behind Morgan Stanley’s flip-flop on BlackBerry?

Shares of BlackBerry (TSX:BB) are racing today, on the TSX the stock was up 8% to $16.66, at press time....