人工智能概念股在7月遭遇重挫，标准普尔500指数在8月面临新挑战
· seekingalpha.com
标准普尔500指数经历了2014年以来表现最差的7月：科技与人工智能板块下滑，能源板块飙升，而盈利增长超过35%。点击查看回顾及对市场未来的影响。
The AI trade came under heavy selling pressure in July, but the S&P 500 ( SPY ) straddled the unchanged mark throughout the month. Still, it was the worst July ...