SEOUL, South Korea — Samsung Electronics and other major South Korean companies on Sunday announced fresh domestic investment plans during a meeting with President Lee Jae Myung, who hopes the moves will counter concerns that the firms would prioritize U.S. investments under a trade deal.

Lee’s meeting with business leaders came days after his government finalized a trade deal with the United States in which Seoul pledged to invest $350 billion in U.S. industries in exchange for averting the Trump administration’s highest tariffs.

Samsung, a global leader in computer chips, said it will invest 450 trillion won ($310 billion) over the next five years to expand its domestic operations, including building another production line at its Pyeongtaek manufacturing hub to meet surging global sem

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