While China dumps Treasuries, the main buyer is a $ 6 Billion hedge fund, which is leverageing at an unknown ratio….So now Yellen is dependant on some dodgy hedge fund, to stop rates running away….and guess what their strategy is the same as LTCM’s was !!!!!!!
http://www.zerohedge.com/news/2015-09-08/mystery-buyer-us-treasurys-revealed