“The bottom line is this: Cash, in modest increments, has a role in any portfolio. But unless you are Warren Buffett, you should limit it to 2 or 3 percent.”

American businessman and author

Barry Ritholtz is an American businessman and author. He is the founder and chief investment officer of Ritholtz Wealth Management, and he first drew wider attention for warning about the risks in derivatives and mortgages before the subprime mortgage crisis. His work is rooted in financial planning and asset management. He is best known for commenting on market risk and the forces behind major financial disruptions, especially in the years leading up to the crisis.