Samsung Electronics says second-quarter profit up 18 percent versus year earlier

South Korean tech giant Samsung Electronics Co Ltd said on Thursday its second-quarter operating profit rose 18 percent from a year earlier to its best in more than two years, propelled by a pickup in smartphone earnings. Samsung said in a regulatory filing its April-June operating profit was 8.1 trillion won ($7.17 billion), matching the 8.1 trillion won it guided for in early July. The mobile division operating profit jumped 57 percent from a year earlier to 4.32 trillion won, the highest in t