The US Treasury's 30-year bond auction cleared at 5.216%, raising $25 billion as long-end yields hit levels not seen in over 15 years.

The 30-year Treasury yield hit 5.281%, the highest since 2007, as foreign demand drops and fiscal concerns mount across the $30 trillion bond

The US Treasury is auctioning $25 billion in 30-year bonds at yields above 5.2%, the highest interest rate on new long-dated government debt