This has been a very rough week for BlackBerry. Shares plummeted more than 25% from the mid-$14 range last Friday as BlackBerry reported abysmal earnings, and the stock has continued on a slow decline over the past couple of days, closing at $9.70 on Tuesday. A new report on Wednesday from Bloomberg Businessweek compounds matters as it outlines how BlackBerry is losing the battle for the No.3 position in mobile against Microsoft, a company that currently owns just 3.2% of the global smartphone market..According to the report, Microsoft is stealing much of BlackBerry’s enterprise business, which obviously poses a huge problem since most consumers now sit squarely in the iPhone and Android camps. “Most of our customers have been planning

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