China's more flexible yuan edges down vs. dollar By ELAINE KURTENBACH 2010-06-22T07:16:18Z SHANGHAI (AP) -- Proving that flexibility is a two-way street, the Chinese yuan edged lower against the U.S. dollar in spot trading Tuesday, a day after surging to a new high following the central bank's decision to let the currency trade in a wider range.... © 2010 The Associated Press.