Eye-popping shareholder-return plans from Samsung Electronics and SK Hynix have become an early test of South Korea's corporate reform drive, with investors welcoming the windfall but saying more is needed to narrow the country's decades-old valuation gap ↧ Samsung, SK Hynix payouts test South Korea's reform drive as invest... Eye-popping shareholder-return plans from Samsung Electronics and SK Hynix have become an early test of South Korea's corporate reform drive, with investors welcoming the windfall but saying more is needed to narrow the country's decades-old valuation gap.