In order to increase the volume of liquidity, foreign central banks are actively sell US Treasuries - Materials AMarkets.
In January it sold US Treasury bonds worth $ 57.2 billion in December sales volumes amounted to $ 48 billion in January the volume of sales -.. The record, if you count from 1978. Why central banks as much cache? Mainly for rounds of monetary easing in order to stimulate their economies.
The largest holder of Treasuries - China. Celestial sold Treasuries in January for $ 8.2 billion. In January China sold foreign assets worth $ 100 billion. And there is a perception that China sold a lot more US debt assets, compared to the official figures. Central banks need cash. That is why the foreign assets are sold. In the current situation Dollars none of the countries do not buy in large quantities - simply because they are not needed yet. However, the dollar is still strong.
If Treasuries sell-off reached a critical level, it would certainly have hit the USD. But the latter is held - and forecasts optimistic. So far, the US dollar after a long period of growth is below the resistance level. It is not necessary to wait for the near-term growth. If the Fed decides to raise rates again in 2016 - USD may drop slightly. Nor can we say that the Celestial Empire is trying to get rid of US assets. Celestial recently acquired a network of hotels Sheraton and the largest refiner in the United States. Just PRC seeks to move out of Treasuries that pay zero percent, more liquid assets that can generate income.