A shareholder of Berkshire Hathaway looks around during 2018 Berkshire Hathaway shareholder shopping day, an event providing discount shopping for shareholders, at the CenturyLink Center in Omaha, Nebraska, the United States, May 4, 2018. The exhibition and sales event kicked off one day prior to the 2018 Berkshire Hathaway Annual Shareholders Meeting, and hosts vendors from around 40 companies of the Berkshire Hathaway family. (Xinhua/Wang Ying)