整理：每日美股市场要闻速递（5月2日 周五）

Group 1: Company News - Nvidia (NVDA.O) is adjusting its AI chip designs in response to U.S. export regulations and is restarting its custom chip development efforts [2] - Apple (AAPL.O) reported Q2 revenue exceeding Wall Street expectations, but service revenue was disappointing; CEO Tim Cook estimated tariffs will increase costs by $900 million [2] - Amazon (AMZN.O) exceeded market expectations for both Q1 revenue and profit, but its guidance for Q2 operating profit fell short of market expectations [2] Group 2: Economic Indicators - April non-farm payroll data exceeded expectations, with the unemployment rate remaining unchanged; February and March non-farm payroll numbers were revised down by 58,000 [3] - Following the non-farm data, former President Trump called for interest rate cuts [3] - Reports indicate that the U.S. is unwilling to grant Japan exemptions from tariffs on automobiles and steel, as well as a 10% reciprocal tariff exemption [3] Group 3: Sector Performance - Chevron (CVX.N) reported a 36% decline in Q1 EPS, amounting to $3.5 billion [3] - Airbnb (ABNB.O) forecasted Q2 revenue below expectations, citing weakened travel demand in the U.S. [3] - ExxonMobil (XOM.N) reported adjusted EPS for Q1 in line with estimates [3] - Airbnb (ABNB.O) has provided a second consecutive quarterly revenue outlook below expectations [3] - Shell (SHEL.N) reported Q1 profits that exceeded expectations [3]