Gundlach, the “king of new debt,” said that if the Federal Reserve keeps interest rates unchanged against market expectations at next week's policy meeting, it may trigger a new rise in long-term treasury bond yields and intensify the historic sell-off in the bond market.

Gundlach, the “king of new debt,” said that if the Federal Reserve keeps interest rates unchanged against market expectations at next week's policy meeting, it may trigger a new rise in long-term treasury bond yields and intensify the historic sell-off in the bond market.