SeoulSamsung and SK Hynix will build 4 new semiconductor fabs.
South Korea is committing 800 trillion won ($519 billion, per government figures) to chips and artificial intelligence data centres, concentrated in 2 companies.
President Lee says the plan will shape the country for 20-30 years, though investors have questioned the artificial intelligence spending pace.
Sources: Yonhap News Agency, BBC, India Today