The hedge fund legend Paul Tudor Jones spoke at a private investor conference last week. He told a group of Wall Street investors he was betting on a spike in volatility.One person who attended summarized Jones' comments. This person recalled Jones saying, "It's the one thing I could guarantee. I'd be buying volatility all day."Jones made the comments last Monday, January 29, in South Florida at Morgan Stanley's Breakers conference. That confernece is closed to the press.