High-Beta Rich (hi be?ta rich) 1. a newly discovered personality type of the American upper class prone to wild swings in wealth. 2. the winners (and occasional losers) in an economy that creates wealth from financial markets, asset bubbles, and deals. 3. derived from the Wall Street term high beta, meaning highly volatile or prone to booms and busts. 4. an elite that's capable of wreaking havoc on communities, jobs, government finances, and the consumer...