SEOUL, South Korea (AFP) — South Korean tech giant Samsung Electronics posted a 58.57 percent rise in first-quarter net profits on Thursday, largely driven by steady memory chip demand and brisk smartphone sales. The world’s biggest memory-chip maker is the flagship subsidiary of the giant Samsung group, by far the largest of the family-controlled empires known as chaebols that dominate business in South Korea, Asia’s fourth largest economy. The conglomerate is crucial to the South’s […]