Samsung Electronics struggles to find fix for smartphone woes

By Se Young Lee SEOUL (Reuters) - More than a year into the overhaul of its smartphone lineup, Samsung Electronics Co Ltd has yet to find a way to reverse a slide in market share or margins, clouding its growth outlook and fuelling investor impatience. Samsung has tried various fixes for its phone business. While those measures have lifted Samsung from its earnings trough, they have not been enough to regain market share from Apple Inc at the high end and Chinese markers at the lower end, or con