Aug.14 (Reuters) Samsung Electronics Co Ltd unveiled a new Galaxy Note phablet and a larger version of its curved-screen S6 Edge smartphone on Thursday (August 13), marking a fresh bid by the South Korean company to revive momentum in its handset business. Samsung is the world’s top smartphone maker but its market share fell in the second quarter when the company released its critically acclaimed S6 models, squeezed by Apple Inc’s upscale iPhones and cheaper […]