(Reuters) - BlackBerry Ltd co-founder Mike Lazaridis cut his stake in the company to 4.99 percent from 8 percent, and said that a group, which included Lazaridis, walked away from exploring a bid for the troubled smartphone maker. (http://link.reuters.com/sup65v) Co-founders Lazaridis and Douglas Fregin in October disclosed in a regulatory filing they were considering a bid to buy the company. ...



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