Trade Retaliation - China's Ministry of Commerce to impose countermeasures against US maritime, logistics, and shipbuilding 301 investigation, including adding 5 US-related subsidiaries of Hanwha Ocean Co, Ltd to the countermeasure list [1] - The countermeasures prohibit Chinese organizations and individuals from engaging in transactions and cooperation with the listed entities [1] Market Impact - Hanwha Ocean's stock in South Korea experienced a sharp decline, dropping by 8% [1] Industry Investigation - Ministry of Transport to investigate the impact of the US 301 investigation on China's shipping, shipbuilding industries, and related supply chains [1] - The investigation will also cover whether Chinese entities have assisted or supported the US in implementing discriminatory restrictions against China in these sectors [1] US-Korea Investment - Of the $350 billion (十亿) of South Korean investment in the US, $150 billion (十亿) is earmarked for US-Korea shipbuilding cooperation, with Hanwha participating in the establishment of an investment working group [1]