By Saqib Iqbal Ahmed NEW YORK (Reuters) - Options on BlackBerry Ltd's U.S.-listed shares attracted a surge of bullish activity on Wednesday, a day before the Canadian tech firm is scheduled to host an event in San Francisco where it is expected to shine a light on its strategy for serving big clients. Industry sources expect BlackBerry to outline tie-ups with carriers and service providers that will be co-marketing its BlackBerry Enterprise platform, and will watch the event to get clues to how the company plans to kick-start revenue growth. BlackBerry's U.S. ...



More...