整理：每日美股市场要闻速递（5月14日 周三）

Group 1 - The U.S. has adjusted tariffs on China as of May 14, 2023 [3] - President Trump expresses strong belief in artificial intelligence [3] - Saudi Arabia and the U.S. sign cooperation agreements in economic and defense sectors [3] - OPEC's monthly report forecasts U.S. economic growth rates of 1.7% and 2.1% for 2025 and 2026, respectively [3] Group 2 - Supermicro (SMCI.O) shares rise over 18% after a $20 billion partnership with DataVolt [3] - Baidu (BIDU.O) plans to test autonomous taxis in Switzerland by the end of 2025 [3] - Southwest Airlines (LUV.N) seeks U.S. approval for international airline operations [3] - GlaxoSmithKline (GSK.N) to acquire potential fatty liver treatment efimofermin for $2 billion [3] - TotalEnergies (TTE.US) to sell 50% stake in Polish biogas plant to enhance renewable energy investment returns [3] - Sony (SONY.US) reports mixed Q4 results and announces a ¥250 billion stock buyback plan [3] - NVIDIA (NVDA.O) CEO Jensen Huang's salary increases by 46% to $50 million [3] - Pony.ai (PONY.O) plans to go public in Hong Kong [3] - Septerna (SEPN.O) shares surge 64% after announcing collaboration with Novo Nordisk to develop oral weight loss medication [3] - AMD (AMD.O) shares rise over 5% after announcing a $6 billion stock buyback plan [3] - AMD (AMD.O) partners with Saudi AI company Humain to invest $10 billion in AI infrastructure [3] - Tesla (TSLA.O) plans to start shipping parts from China for Cybercab and Semi truck production in the U.S. by the end of the month [3]