Yen Tumbles After BOJ Sticks With Ultra-Loose Policy

SINGAPORE—The yen tumbled on Tuesday after the Bank of Japan (BOJ) maintained its ultra-loose monetary policy, as expected, and more surprisingly did not signal a change was approaching, while the dollar drifted at the low end of its recent range. The dollar and euro both climbed 1 percent on the yen, each set for its biggest daily gain since end October, with the greenback reaching 144.27 yen, and the common currency 157.68. While the outcome was within market expectations, some investors were on the lookout for signs on whether the dovish central bank might signal an eventual move away from negative interest rates. "Before the…