Samsung and SK hynix's corporate logos seen outside their buildings / Yonhap Samsung Electronics and SK hynix Inc. are set to announce major investment plans early this week at a meeting presided over by President Lee Jae Myung, the presidential office said Sunday.The investments will be unveiled during a briefing scheduled for 2 p.m. Monday at Cheong Wa Dae on the government's three mega projects aimed at balanced regional development, presidential spokesperson Kang Yoo-jung said.The initiative is jointly pushed by the trade, science, transport and energy ministries, she added.Samsung Electronics Chairman Lee Jae-yong and SK Group Chairman Chey Tae-won will attend the event and take part in a discussion session with other participants.Industry watchers expect the two chipmakers to invest more than 1,000 trillion won ($650 billion) over the next 10 years, including in the possible development of a chip cluster in the southwestern Honam region.On Saturday, Lee described the investment as a "historic achievement" and a policy initiative that could potentially change the fate of Korea.The opposition People Power Party has accused the move of being "politically motivated," notig that it comes at a time when the ruling Democratic Party of Korea is experiencing an internal power struggle.