Global X Uranium ETF ( URA) -3.4% Uranium producers's impressive strength on Tuesday was short-lived as URA has given back its gains. The earthquake that struck Japan this morning likely did little to inject confidence into this industry. With last year's natural disaster fresh on investors' minds, it may be best to watch URA from the sidelines. All prices as of 2:10 PM DST. Written by Don Dion in Williamstown, Mass.