Samsung Electronics shares edge up after unveiling Galaxy S8

SEOUL (Reuters) - Shares of tech giant Samsung Electronics Co Ltd opened up 0.2 percent at 2,094,000 won ($1,885.87) on Thursday following the launch of its Galaxy S8 flagship smartphone. The long-awaited S8 is the company's first new premium phone since its September withdrawal of all Galaxy Note 7 devices due to fire-prone batteries. (Reporting by Dahee Kim; Editing by Stephen Coates)