Warren Buffett lays out the 'gory details' of the 4 times Berkshire's stock suffered huge drops — and his advice for surviving a market downturn

Warren Buffett laid out the four times Berkshire Hathaway shares got crushed. “For the last 53 years, the company has built value by reinvesting its earnings and letting compound interest work its magic,” Buffett wrote. The 37.1% drop during October 1987 happened after the Black Monday stock market crash.