James Hoard, a spokesman for the Dallas Fed, declined to comment.
Gross, who correctly predicted home prices would decline, is known for his colorful monthly investment outlook pieces. In June 2007, Gross said that Moody's Investors Service and Standard & Poor's were duped by the make-up and "six-inch hooker heels" of collateralized debt obligations they gave investment-grade ratings, and that investors stood to lose all their money.
Gross is a yoga enthusiast who has credited his meditation sessions with clearing his head and helping him absorb unexpected news, such as a Fed half-point interest rate cut in January 2001. The news caught him in the middle of a "sun salutation," which softened the blow, he said at the time.
Fisher is also known for being outspoken. He's called the nation's budget shortfalls a "fiscal sinkhole," and said the U.S. has suffered from "Lindsay Lohan Congresses" because lawmakers have been addicted to debt and spending.