Recent aggressive interest-rate hikes by the U.S. Federal Reserve have led to a strong dollar and the depreciation of other major global currencies, including the Chinese yuan. Some financial institutions are even hoping to profit by shorting the yuan. However, China's central bank has taken measures to stabilize the yuan's exchange rates. In this episode of BizBeat, CGTN's Zhu Zhu explains why the speculators would only lose if they bet on one-way fluctuations of the currency.