The Japanese currency is moving between gains and losses, and was down 0.1% to 156.11 at 12:27 p.m.The Bank of Japan raised interest rates for the first time since July.The decision is good news for the beleaguered yen, which has been weighed down by wide interest-rate differentials between the US and Japan.Governor Kazuo Ueda will give hints about the pace of future hikes at his press conference this afternoon.