Re Japan re-starting nuclear plants news, plus other factors, showing break outs. But naturally, they could be more short term false and misleading activity.
http://finance.yahoo.com/echarts?s=DNN&t=3m&l=on&z=l&q=l&c=urre%2Cuec%2CURZ%2Cccj
http://finance.yahoo.com/echarts?t=6m&s=UEC&l=on&z=m&q=l&c=urre%2Ccxz%2Curg