Korea M&A Corporation

SEOUL, South Korea -- In a sign that South Korea's booming shipbuilders are diversifying, STX Shipbuilding Co. said it bought 39.2% of Aker Yards ASA, a Norwegian builder specializing in cruise ships, for $800 million. For STX Shipbuilding, South Korea's fifth-largest shipbuilder by volume of orders, the investment provides a foothold in the high-margin cruise-ship market -- a segment that has b..