John M. Longo, PhD, CFA, is chief investment officer for Beacon Trust, a wealth-management firm overseeing more than $4 billion in assets, Morristown, New Jersey. He is also a professor at Rutgers University Business School and author of Buffett’s Tips: A Guide to Financial Literacy and Life. BeaconTrust.com
Earlier this year, Warren Buffett took the stage in front of 20,000 attendees at the Berkshire Hathaway annual shareholder meeting in Omaha, as he has...