A change in criteria, outlined in an as-yet-unreleased U.S. Treasury Department report, will likely lead to up to eight countries being added to the U.S. watchlist for currency manipulation, Bloomberg reported May 9, citing officials familiar with the report's contents. One of those countries, Vietnam, could be automatically slapped with the currency manipulator label, as it now would meet all three defining conditions, including a current account surplus exceeding 2 percent of GDP (a reduction from the previous threshold of 3 percent)....