Bond investors are mounting speculation that U.S. Federal Reserve Chairman Kevin Warsh is poised to raise interest rates. Read more.

(Bloomberg) -- Wall Street traders refrained from making big moves ahead of Federal Reserve Chair Kevin Warsh’s keynote speech on Friday, with stocks, bonds and the dollar…

Odds rose after Warsh's speech in Jackson Hole, Wyo., where he discussed that he still is frustrated with the overall inflation trend.