风险提示及免责条款 美光科技美股盘前涨近5%，公司预计第四季度调整后每股收益2.78美元至2.92美元。 市场有风险，投资需谨慎。本文不构成个人投资建议，也未考虑到个别用户特殊的投资目标、财务状况或需要。用户应考虑本文中的任何 意见、观点或结论是否符合其特定状况。据此投资，责任自负。 ...

Core Viewpoint - The article discusses the uncertainty surrounding earnings forecasts for 2025 among S&P 500 companies due to fluctuating tariff policies and economic conditions, highlighting the number of companies that have provided or updated their earnings guidance during the Q1 earnings season [1]. Group 1: Earnings Forecasts - As of April 10, 2023, 23 S&P 500 companies reported their Q1 earnings, with 16 companies (70%) commenting on their earnings expectations for the current or next fiscal year [3]. - Among these 16 companies, 14 provided earnings forecasts for FY2025 (or FY2026), with 3 companies lowering their previous earnings guidance, 6 maintaining their forecasts, and 4 raising their expectations [3]. Group 2: Withdrawals and Uncertainties - Two companies, Walgreens Boots Alliance and Delta Air Lines, announced the withdrawal of their previously issued earnings guidance for FY2025, citing reasons related to upcoming merger transactions and economic uncertainties, respectively [4]. - Walgreens explained that the withdrawal was due to an impending acquisition by Sycamore Partners, while Delta stated that it would not reaffirm its earnings guidance until the economic situation becomes clearer [4]. - The market is closely monitoring whether more S&P 500 companies will withdraw their earnings guidance for 2025, recalling a similar trend during the COVID-19 pandemic [4].