Investor Warren Buffett has a knack for explaining what he does in simple terms that sound easy to follow, and his ranking as one of the world's richest men inspires many to copy his moves.

Billionaire Warren Buffett is dipping into the ketchup business as part of $23.3 billion deal to buy the Heinz ketchup company, uniting a legend of American investing with a mainstay of grocery store shelves.