From right, Microsoft Corporation founder Bill Gates, American investor Warren Buffett, Charlie Munger, vice chairman of Berkshire Hathaway and Chinese tycoon, BYD Chairman Wang Chuanfu gesture after unveiling BYD’s new M6 in Beijing, China Wednesday, Sept. 29, 2010.

Andy Wong, AP

A salesperson wears pins of Warren Buffett, CEO of Berkshire Hathaway, and Vice Chairman Charlie Munger during the annual Berkshire shareholders meeting in Omaha, Nebraska, May 3, 2019.

JOHANNES EISELE, AFP/Getty Images

Berkshire Hathaway Vice Chairman Charlie Munger, center, arrives to the annual shareholders meeting in Omaha, Neb., Saturday, May 2, 2015. More than 40,000 people are expected to attend the shareholder meeting to listen to CEO and Chairman Warren Buffett and Vice Chairman Charlie Munger.

Nati Harnik, AP

Jello mold kits featuring cartoon characters of Warren Buffett, left, and Charlie Munger, is offered for sale at the Berkshire Hathaway shareholders meeting at the CenturyLink Center in Omaha, Neb., Friday, May 5, 2017. More than 30,000 people are expected to attend the annual meeting, and participate in company-sponsored activities, though the main attraction is CEO Warren Buffett and Vice Chairman Charlie Munger’s Q&A session on Saturday.

Nati Harnik, AP

Berkshire Hathaway Chairman and CEO Warren Buffett, left, and Vice Chairman Charlie Munger, briefly chat with reporters May 3, 2019, one day before Berkshire Hathaway’s annual shareholders meeting in Omaha, Neb.

Nati Harnik, AP

From right, American investor Warren Buffett, Charlie Munger, vice chairman of Berkshire Hathaway and Chinese tycoon, BYD Chairman Wang Chuanfu show their thumb up during BYD’s 1 million Auto Sales Celebration Ceremony in Shenzhen city, Guangdong province, Monday September 27, 2010. Warren Buffett’s backing gave Chinese battery and automaking tycoon Wang a huge boost, and on paper represents at least a six-fold return on the investment. Beginning Monday, Wang’s BYD Autos is launching a series of events in three Chinese cities meant to showcase the company’s electric vehicles and energy strategy, and perhaps to reassure the billionaire investor from Omaha.

Kin Cheung, AP

Berkshire Hathaway Chairman and CEO Warren Buffett, right, Vice Chairman Charlie Munger, center, and Bill Gates, left, Microsoft co-founder and director at Berkshire Hathaway, sit together during an interview with Liz Claman of the Fox Business Network in Omaha, Neb., Monday, May 8, 2017.

Nati Harnik, AP

Warren Buffett, chairman and CEO of Berkshire Hathaway, right, and his vice chairman Charlie Munger, are seen on big screens as preside over the Berkshire Hathaway shareholders meeting in Omaha, Neb., Saturday, May 5, 2012.

Nati Harnik, AP

An investor holds cards with a cartoon of Charlie Munger, Vice Chairman of Berkshire Hathaway while playing cards during the annual Berkshire Hathaway shareholders meeting, in Omaha, Neb., Sunday, May 4, 2008.

Nati Harnik, ASSOCIATED PRESS

Charlie Munger, right, Vice-Chairman of Berkshire Hathaway, as well as chairman, CEO and president of Wesco, a Berkshire Hathaway subsidiary, get photographed with an unidentified fan, Wednesday, May 7, 2008, in Pasadena, Calif, at the Wesco shareholders meeting. Munger said Wednesday investors should lower their expectations because the economic conditions many people used to build wealth over the past three decades aren’t likely to be repeated.

Josh Funk, AP

Shareholders pose with cardboard cartoons of Berkshire Hathaway chairman and CEO Warren Buffett, left, and his vice chairman Charlie Munger outside the Berkshire-owned Borsheims jewelry store in Omaha, Neb., Friday, May 4, 2012. Berkshire Hathaway is expected to have 30,000 shareholders come to Omaha for it’s annual shareholders meeting this weekend.

Nati Harnik, AP

Berkshire Hathaway Vice Chairman Charlie Munger answers a question in Omaha, Neb., Monday, May 2, 2016, during an interview with Liz Claman on the Fox Business Network. The annual Berkshire Hathaway shareholders meeting took place over the weekend in Omaha with over 40,000 in attendance.

John Peterson, AP

Leading US businessmen Warren Buffett (R), Charles Munger (C) and Bill Gates (3rd L) join Deng Xiaogang (2nd L), vice chairman of Tibet Autonomous Region (TAR) and Wang Chuanfu (L), president and chairman of BYD, join together to touch a globe at the nationwide launch ceremony of Chinese electric vehicle BYD M6 in Beijing on September 29, 2010. US billionaire investor Buffett said the previous day that Chinese battery and auto maker BYD was the “right choice for me”, two years after his Berkshire Hathaway bought a stake in the firm. Gates and Buffett were to host a banquet for China’s super-rich which has sparked debate about Chinese philanthropy, amid reports that wealthy invitees have been reluctant to attend.

FREDERIC J. BROWN, AFP Via Getty Images