Ten-year US yields are down to 2.04% after breaking key support at 2.09% in the post-NFP flight to quality. The earlier low was 2.02% and technically the move could extend to 1.90%, which would point to USD/JPY around 80.00. Fundamentally, we will likely need more negative data or a hint from Bernanke about QE3 to get there. More from Bloomberg.