A few years ago at a dinner, Trey Lockerbie, founder and CEO of kombucha company Better Booch, met billionaire Warren Buffett. He took the opportunity to ask him a few questions about investing, ...

Warren Buffett is considered a hero, mentor and investing legend to many people over the years. An autograph from the legendary investor is a coveted keepsake for many and some are up for sale soon.

With Berkshire Hathaway's book value per share over- or under-estimating the true value of its businesses, Warren Buffett prefers alternatives to this accounting metric.