https://www.cnbc.com/2019/04/11/ebay-stock-slides-on-bezos-comments-in-shareholder-letter.html

Shares of eBay fell nearly 5% on Thursday, after Amazon CEO Jeff Bezos snubbed the rival e-commerce giant his annual letter to shareholders.

In the letter, Bezos compared the growth in merchandise sales of third-party sellers between Amazon and eBay from 1999 to 2018. His comparison showed that Amazon has clearly outperformed its rival.