Mark Schechter is the pawnbroker for the ultra-rich

Mark Schechter is Wall Street's pawnbroker of exclusive bling -- and his business is booming. Brokers, traders and financial tycoons are some of his super wealthy clients. And these high-rollers are eager to exchange their rare, multimillion-dollar diamonds, Tiffany jewelry and Cartier watches for short-term loans of $2,500 to $1 million, or for quick cash...