http://www.cnbc.com/2015/08/19/vietnam-devalues-the-dong.html
http://money.cnn.com/2015/08/20/investing/kazakhstan-tenge-currency/
The State Bank of Vietnam (SBV) devalued the dong (VND) by 1 percent against the dollar on Wednesdayits third adjustment so far this yearand simultaneously widened the trading band to 3 percent from 2 percent previously, the second increase in six days.
http://money.cnn.com/2015/08/20/investing/kazakhstan-tenge-currency/
Kazakhstan's tenge plunged an incredible 23% on Thursday after the government allowed the currency to float freely.