整理：每日美股市场要闻速递（4月30日 周三）

Company News - Super Micro Computer (SMCI.O) experienced a pre-market drop of nearly 17% after reporting preliminary Q3 revenue of $4.5 to $4.6 billion, significantly below analyst expectations of $5.35 billion [1] - Microsoft (MSFT.O) plans to actively contest any government orders that may suspend or halt its cloud business in Europe, while expanding its data center operations in 16 European countries [2] - Alibaba (BABA.N) is set to announce its Q1 2025 results on May 15, 2025 [2] - Stellantis (STLA.N) reported Q1 revenue of €35.8 billion, a 14% year-over-year decline, falling short of analyst predictions of €35.4 billion, and has suspended its 2025 financial guidance due to tariff-related uncertainties [2] - Visa (V.N) reported Q2 revenue of $9.6 billion for fiscal year 2025, exceeding market expectations of $9.55 billion and up from $8.78 billion in the same period last year [2] - Vale (VALE.N) CEO stated that the company reversed the decline in iron ore production in April and is confident in meeting its annual production guidance [2] Economic Indicators - The initial estimate for the U.S. Q1 real GDP annualized rate recorded at -0.3%, marking the lowest level since Q2 2022 [3] - Kalshi, a financial trading and prediction market platform, currently estimates a 74% probability of a U.S. economic recession this year [3] - The ADP employment report for April showed an increase of 62,000 jobs, the smallest gain since July 2024, and significantly below expectations [3] - Starbucks (SBUX.O) reported Q2 earnings of $384 million, halving compared to the same period last year, with same-store sales declining for the fifth consecutive quarter [3] - Taiwan Semiconductor Manufacturing Company (TSM.N) has begun construction on its third wafer fab in Arizona, increasing its expansion efforts in the U.S. [3] - Western Digital (WDC.O) saw a pre-market increase of 11.5% due to its Q4 revenue and profit guidance exceeding expectations [3]