SEOUL, June 29 (Reuters) - South Korea announced three "mega projects" on Monday covering semiconductors, physical AI and AI data centres, with Samsung Electronics, SK Group and government ministries outlining investment plans.

Samsung Electronics (005930.KS) and SK ​Hynix (000660.KS) plan to ‌each build two new massive chip ​fabrication sites ​in South Korea's southwest ⁠region as ​part of a national project ​to build chip ...