Japan closely watching yen moves 'with urgency' - Finance Minister Aso

TOKYO (Reuters) - Japanese Finance Minister Taro Aso said on Tuesday he was monitoring currency moves "with a sense of urgency" after a recent spike in the yen, using a phrase suggesting policymakers' concern about excessive volatility.While declining to comment on specific foreign exchange levels, Aso underscored the importance of stability in the Japanese currency, which tends to be perceived as a safe-haven asset attracting demand when global markets are volatile.Japanese policymakers tend to..