Traders and investors suggested yen-buying intervention by Japanese authorities as the explanation for why the dollar fell sharply to 156.55 yen from as high as 160.245.

The Japanese yen’s decline poses a problem for the U.S. but may lead to a large “wall of liquidity” in the markets, signaling a bullish outlook for Bitcoin.

The weakness of the Japanese yen is in the spotlight again after its latest tumble in value.. On Monday, the currency sank to 160.17 against the US dollar, its lowest since April 1990.

The Japanese yen (JPY) is rallying against the U.S. dollar (USD), outperforming other fiat currencies in a redux of early August market action that was characterized by sharp losses in global ...