warren buffett
Warren Buffett.
  • Berkshire Hathaway stock closed at a 16-month high, and within touching distance of a new record.
  • Warren Buffett's company boasts a $175 billion stake in Apple, and benefits from a better economy.
  • Buffett has overseen a roughly 4,300,000% gain in Berkshire stock during his career.

Berkshire Hathaway stock closed at a 16-month high on Thursday, reflecting the company's massive stake in Apple and a rosier outlook for the US economy.

Class B shares of Warren Buffett's conglomerate have jumped 15% this year. They ended the day at $354, not far off their record high of $360 in March last year. Buffett has now overseen a remarkable 4,300,000% gain in the value of Berkshire's original Class A shares since he took over as CEO in 1965.