There are subtle but important clues in every decision a company makes, as well as every decision it doesn't make.

In his Feb. 28 letter to shareholders, Abel wrote that investors should expect concentration in Apple, American Express (NYSE ...

Warren Buffett halted stock buybacks during his last 18 months as CEO. His successor, Greg Abel, spent $225 million on them in one day.

More than 20% of Berkshire Hathaway's $313 billion of invested assets can be traced back to a trio of market-leading ...