Group 1 - The U.S. Supreme Court ruled that the Trump administration's large-scale tariff measures under the International Emergency Economic Powers Act lacked clear legal authorization, with a decision of 6 to 3 upholding a lower court's ruling [12] - The ruling only restricts the president's ability to impose tariffs under the International Emergency Economic Powers Act and does not completely revoke his authority to levy tariffs [12] - The estimated amount of tariffs collected by the Trump administration under this act exceeded $175 billion, according to economists from the University of Pennsylvania [12] Group 2 - Following the Supreme Court's ruling, President Trump announced plans to impose an additional 10% tariff on global imports for 150 days, based on the Trade Act of 1974, to replace the previously deemed illegal emergency tariffs [13] - Trump described the Supreme Court's decision as "shameful" and indicated he has considered alternative strategies to address the implications of the ruling [13] Group 3 - Longfor Group, under Li Ka-shing, has requested negotiations with the Panamanian government regarding the operation of ports at both ends of the Panama Canal, following a ruling that deemed their operational rights unconstitutional [16] - The company plans to take legal action in response to the decision that allows Maersk to take over the operations of the ports [16]