CA-BUSINESS Summary

TSX may open higher, eye on volatile BlackBerry (Reuters) - Canada's main stock index looked set to open higher on Thursday as Cyprus banks reopened after two weeks with tight restrictions on withdrawals, though volatile moves in shares of BlackBerry were expected to have a heavy influence. Shares of smartphone maker BlackBerry swung between positive and negative territory in pre-market trading after it revealed an unexpected quarterly profit on demand for the new touchscreen device that holds the key to its successful turnaround. But its revenue remained far below year-earlier levels. ...



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