FOREX-U.S. dollar falls vs euro as risk appetite improves * Euro gains vs dollar, pulls back from 1-year low vs yen * Traders cover extreme shorts in euro * U.S. Q4 GDP data higher than initial govt estimate * U.S. existing home sales drags dollar/yen lower By Gertrude Chavez-Dreyfuss NEW YORK, Feb 26 – The U.S. dollar slid against the euro and a major currency basket on Friday, as improved risk appetite on signs the U.S. economy is slowly recovering … Read more on Reuters via Yahoo! Singapore…. Click Here to Read More