BlackBerry CEO says turnaround two-thirds complete

By Alastair Sharp TORONTO (Reuters) - BlackBerry Ltd Chief Executive John Chen said on Monday he was two-thirds of the way toward achieving his goal of turning the Canadian technology company's fortunes around. "We have made investment over a billion-plus, all in software, all in security, and now we need to execute it," Chen said at an event in Toronto two days before the company will report its second-quarter earnings. Waterloo, Ontario-based BlackBerry, a once-dominant smartphone maker, has s