Wall Street’s views on BlackBerry 10 sales have been all over the map in recent months. As we approach the.company’s earnings announcement.for the May quarter on June 28th, wild swings have continued. Investors’ reaction to the report is likely to be strong: more than 30% of the entire stock float for BlackBerry has recently been sold short. This could mean a violent short squeeze if BlackBerry OS 10 volumes beat estimates. However, the recent increases in estimates mean that investor expectations may have spiked over the past month: It is possible that.3.5 million Z10 and Q10 units sold during May quarter.is now a bar that BlackBerry has to clear in order to beat the consensus. Among the recent estimate changes,

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