整理：每日美股市场要闻速递（5月6日 周二）

Important News - The U.S. trade deficit reached a record high in March due to tariffs leading to stockpiling of goods [1] - The EU plans to impose additional tariffs on approximately €100 billion (about $113 billion) worth of U.S. goods if ongoing trade negotiations do not yield satisfactory results [1] - Canadian Prime Minister Carney is set to meet with Trump to discuss trade and relations between the two countries [1] Company News - IBM (IBM.N) and Oracle (ORCL.N) announced an expansion of their partnership to advance agent-based AI and hybrid cloud, integrating IBM's flagship AI product suite, watsonx, into Oracle Cloud Infrastructure (OCI) [2] - The U.S. Department of Justice filed documents in federal court requiring Google (GOOG.O) to divest two core assets from its online advertising business—AdX advertising trading platform and publisher ad server [2] - DoorDash (DASH.N) has reached an agreement to acquire the UK-based food delivery platform Deliveroo for £2.9 billion (approximately $3.9 billion) in equity value [2] - Piper Sandler recently warned that under the worst-case scenario of reduced capital expenditures and continued weak demand in the Chinese market, NVIDIA's (NVDA.O) data center business could face an impact of up to $9.8 billion in annual revenue [2] - AstraZeneca (AZN.O) announced that a new indication for its BTK inhibitor has been approved by the EU for the treatment of mantle cell lymphoma, marking it as the first and only approved inhibitor for this indication in the EU [2] - Tesla (TSLA.O) saw a 62% year-over-year decline in new car sales in the UK for April, marking the lowest level in over two years [2] - Pony.ai (PONY.O) and Uber (UBER.N) announced a strategic partnership, with Pony.ai's Robotaxi service and fleet set to integrate into the Uber platform in the second half of this year [2][3]