Feng Huang Wang Cai Jing·2025-12-31 14:50Group 1: Market Overview - The US stock market opened slightly higher on December 31, with the Dow Jones up 0.03%, the S&P 500 up 0.05%, and the Nasdaq up 0.08% [1] Group 2: Company News - Tesla has significantly reduced the prices of its electric vehicles in South Korea, with the highest reduction reaching 6,490 USD (approximately 9.4 million KRW) for the Model 3 and Model Y [2] - SoftBank has completed an additional investment of 22.5 billion USD in OpenAI, raising its total stake to approximately 11% [3] - Trump Mobile has postponed the delivery of its gold smartphone, originally scheduled for the end of this year, due to delays caused by a recent government shutdown [4] - Meta has been sued by the Attorney General of the U.S. Virgin Islands for allegedly profiting from fraudulent advertisements and failing to ensure the safety of children on its platforms [5]