In another capricious day on the currency markets, the U.S dollar has picked up its speed against the Euro since there was a aloft alteration in U.S economic growth. The official data showed that U.S GDP grew more than excepted. And this made the U.S dollar climb up 0.4 per cent to $1.3150 against the euro by mid-afternoon in New York, its first rise since six days. But since the markets are unpredictable, the dollar again tumbled a fresh 20-month low of $1.3218 against the euro in Asian trade market. And this may continue for few more days.