(Updated - March 21, 2013 4:43 PM EDT)

This morning Cormark upgraded BlackBerry (NASDAQ: BBRY) from Market Perform to ...

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Analyst Comments Analyst EPS View Analyst PT Change Trader Talk Upgrades

Blackberry (BBRY) Checks Show Euphoria Fading Fast, Analyst Warns of Margin PressureMarch 22, 2013 9:06 AM UPDATE: Byron Capital Markets Downgrades BlackBerry (BBRY) to Hold, Cautious About Feb. Unit SalesMarch 21, 2013 8:34 AM