Warren Buffett plans to hold his 21st, and final, charity lunch to raise money for Glide, a San Francisco non-profit that serves the poor, homeless, and people battling substance abuse
Many of the past winners have been investors who revere Mr Buffett for his remarkable track record of finding undervalued companies and stocks to buy for his conglomerate. But in the last auction, a cryptocurrency pioneer paid 4,567,888 dollars (£3.5 milli...