美国经济2022年来首次萎缩，美股三大股指开盘走低

Group 1 - The ADP employment report for April shows the slowest growth in nine months, indicating potential economic weakness [1] - The Nasdaq index dropped by 2.07% at the start of trading, while the S&P 500 and Dow Jones indices fell by 1.35% and 0.71% respectively [1] - The Bloomberg index of seven major U.S. tech stocks declined by 2.7% [1] Group 2 - Advanced Micro Devices (AMD) issued a disappointing earnings forecast, leading to a drop of over 19% in its stock price [1] - This decline in AMD's stock negatively impacted Nvidia, which fell by over 4%, and Dell Technologies, which dropped by over 7% [1] - Social media company Snap saw its stock price decrease by over 14% after retracting its revenue guidance for the second quarter [1] Group 3 - Starbucks experienced an 11% decline in its stock price, as the company's global sales for the second quarter fell more than expected [1]