The euro 's rise against the yen and speculation of Japanese intervention helped the dollar firm to 117.25 yen , well above a 10-month low of 116 yen hit on Thursday .
The euro 's rise against the yen and speculation of Japanese intervention helped the dollar firm to 117.25 yen , well above a 10-month low of 116 yen hit on Thursday .
Thanks to the euro 's rise against the Japanese currency , the dollar was at 117.24 yen , well above the overnight 10-month low of 116 yen .