Citadel's Ken Griffin warns Trump about tarnishing the 'brand' of U.S. Treasurys

  • President Donald Trump's global trade fight risks spoiling the reputation of the U.S. and its government bond market, according to Ken Griffin, founder and CEO of Citadel. Treasury yields have risen and the dollar has weakened against its global counterparts this month in a sign thatĀ investors may be moving away from the U.S. as the safest place to invest.