| Uncertainties over Japanese and U.S. monetary policies are raising doubts that the yen's rally will continue, with many speculators pouring cash into exchange-traded funds that bet against Japan's currency.
The ProShares UltraShort Yen ETF is considered an indicator of the sentiment among hedge funds and other short-term speculators. The fund's assets under management recently rose to $260 million, returning to the amount seen in December when the yen traded for around 120 to the dollar...............................................Full Article: Source
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