公司buy back resume和目前报了的ER并不支持大跌。
https://www.investing.com/analysis/earnings-buybacks-save-market-from-deeper-correction-amid-dwindling-sentiment-200648035
https://www.investing.com/analysis/sp-500-nasdaq-eye-breakout-above-moving-average-russell-2000-to-continue-higher-200648037