The rupee appreciated 106 paise, to 66.01 against the dollar. Rupee trimmed its early gains in late morning trade today but was still up by 62 paise at 66 rupees 45 paise a dollar amidst sharp rise in equity markets. The rupee had gained 138 paise in opening trade to touch 65rupees 69 paise level but lost momentum in late morning deals due to some dollar demand. The rupee had settled at 67.07 against the dollar yesterday, up by 56 paise over the previous day's close.