美股三大指数集体收跌，诺和诺德重挫超21%，国际油价涨超3%

Market Overview - The US stock market declined on Tuesday, with the S&P 500 and Nasdaq pulling back from historical highs as investors awaited the Federal Reserve's interest rate policy statement and reacted to disappointing earnings reports from some companies [1][2] - The Dow Jones Industrial Average fell by 204.57 points to 44,632.99, a decrease of 0.46%; the S&P 500 dropped 18.91 points to 6,370.86, down 0.30%; and the Nasdaq Composite decreased by 80.29 points to 21,098.29, a decline of 0.38% [1] Company Earnings - UnitedHealth reported Q2 adjusted EPS of $4.08, below the market expectation of $4.59, and a 40% year-over-year decline. The company lowered its full-year EPS guidance to at least $16, below the expected $20.40, and indicated it may take until 2026 to return to profit growth, leading to a 7.5% drop in its stock price [2][3] - Boeing's stock fell by 4.4% despite reporting Q2 revenue of $22.75 billion, exceeding the market expectation of $21.68 billion. However, the company reported a core EPS loss of $1.24, raising investor concerns about its outlook [3] - Merck's stock declined by 1.7% after reporting Q2 sales of $15.81 billion, slightly above expectations, but with adjusted EPS of $2.13, down from the previous year. The company plans to continue suspending exports of its HPV vaccine to China and aims to save $3 billion through layoffs [3] - United Parcel Service (UPS) saw its stock plummet by 10.6% after reporting Q2 adjusted EPS of $1.55, slightly below the expected $1.56. The lack of full-year revenue and profit margin guidance raised concerns about its profitability amid global trade uncertainties, contributing to a 2.3% drop in the Dow Jones Transportation Index, marking its largest single-day decline in two months [3] - Procter & Gamble's stock fell by 0.3%, reporting Q4 net sales of $20.89 billion and core EPS of $1.48, both slightly above expectations. The company projected core EPS growth of 0%-4% for FY2026, below the market's expectation of around 7% [3] - Novo Nordisk's stock plummeted approximately 22% to $53.94, a three-year low, after lowering its sales and profit forecasts for FY2025, citing poor sales performance of its weight loss drug Wegovy [4] Market Sentiment and Economic Data - Major tech stocks showed mixed performance, with Meta Platforms down 2.46%, Tesla down 1.35%, Apple down 1.3%, Amazon down 0.76%, Nvidia down 0.70%, while Microsoft slightly increased by 0.01% and Google A rose by 1.65% [4] - The Nasdaq Golden Dragon China Index fell by 1.35%, with notable declines in stocks such as Li Auto down over 6%, JD.com down over 3%, and Baidu down nearly 3% [5] - Economic data indicated a narrowing of the US trade deficit to $86 billion in June, a decrease of 10.8%, with imports down 4.2% and exports slightly down by 0.6% [5] - Job openings in the US fell to 7.44 million in June, below the expected 7.5 million, but remained stable over the past year, indicating robust labor demand [5] - Consumer confidence in the US improved in July, with the Conference Board's confidence index rising to 97.2, slightly above expectations [5] Upcoming Events - Investors are focused on the upcoming non-farm payroll report to be released on Friday, with expectations that the Federal Reserve will maintain interest rates during its Wednesday meeting [6]