In the opening trade of the day today the rupee firmed up by 14 paise to 64.05 against the US dollar. The dealers said the dollar's weakness against other currencies overseas -- except the Japanese yen -- and a stronger opening in the domestic stock market gave the rupee strength. The rupee had ended 4 paise lower at 64.19 in the yesterday trade. ALSO READ: Job recruitment in NATIONAL BUSINESS HEALTH ORGANIZATION Rupee appreciates 5 paise against dollar in opening trade today Nifty climbed up in opening trade today