The U.S. dollar index, which tracks the greenback's moves against a basket of six other currencies but is heavily weighted toward the euro/dollar rose nearly 9 percent in the the first three months of the year, for the best quarter since Q3 of 2008. And some traders think the real dollar rally could just be getting started. "Clearly, the dollar strength has been the key driver across asset classes in the first quarter," said Rich Ross, technical analyst with Evercore ISI. "And when you look at that short-term chart, there's very little to suggest that the trend of dollar strength is ending." (full story)