Rising government debt poses greatest risk to US market standing, says BlackRock

  Surging U.S. government debt may sap investor appetite for key U.S. assets like long-dated Treasuries and the dollar, bolstering the case for turning to opportunities beyond U.S. borders, BlackRock said on Monday. Surging U.S. government debt may sap investor appetite for key U.S. assets like long-dated Treasuries and the dollar, bolstering the case for turning to opportunities beyond U.S. borders, BlackRock said on Monday.