Two things to consider as the bond market puts pressure on equities

US stocks (^DJI, ^IXIC, ^GSPC) continue to get dragged lower on Thursday as bond yields (^TYX, ^TNX, ^FVX) surge higher. Barclays head of US equity strategy Venu Krishna weighs in on whether the US Treasury Department's intervention on the bond market will be sustainable, especially as the federal debt grows above $40 trillion.