Note:
(a) "Following the release of Federal Reserve minutes Wednesday that signaled coming rate increases, the yuan embarked on a mini flash crash, momentarily trading at 6.614 to the dollar, its weakest level since February."
If Federal Reserve raises interest rates, money will flow out of China (and other places) to earn higher interest.
(b) "The yuan's quiescence of the past few months has helped remove China from a list of global worries. But two driving factors—a weakening dollar and a stabilizing Chinese economy—are reversing. The dollar is strengthening again on the back of the Fed's signals. * * * Meantime * * * [China's] April numbers on industrial production and retail sales were disappointing.
In China, "money continues to quietly draw out of the economy to the tune of $21.5 billion last month, according to estimates by Standard Chartered.
My comment: "Before the March upturn [lower outflow], capital had been flooding out of China at a rapid clip -- an average of $48 billion per month over the previous six months [September 2015 to February 2016] according to [China's] official bank data" BloombergView, Apr 14, 2016