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By Alastair Sharp and Nicola Leske NEW YORK (Reuters) – BlackBerry Ltd would consider exiting its handset business if it remains unprofitable, its chief executive officer said on Wednesday, as the technology company looks to expand its corporate reach with investments, acquisitions and partnerships. If I cannot make money on handsets, I will not be in the handset business, John Chen said in an interview, adding that the time frame for such a decision was short. At its peak, BlackBerry shipped 52.3 million devices in fiscal 2011, while it recorded revenue on less than 2 million last quarter. Chen, who took the helm of the struggling company in November, said BlackBerry was also looking to invest in or team up with other companies in regulated industries such as healthcare, and financial and legal services, all of which require highly secure communications.