4月17日电，美国运通公司第一季度收入为170亿美元，同比增长7%；经汇率调整后每股收益为3.64美元，同比增长9%。公司维持全年收入和每股收益指引不变。

Group 1 - The core viewpoint of the article highlights that American Express reported a first-quarter revenue of $17 billion, reflecting a year-over-year growth of 7% [1] - The company adjusted its earnings per share to $3.64, which represents a 9% increase compared to the previous year [1] - American Express has maintained its full-year revenue and earnings per share guidance unchanged [1]