The rupee today appreciated by 23 paise to trade at fresh three-month high of 53.07 against the US dollar in early trade at the Interbank Foreign Exchange .This happened due to sustained selling of the American currency by exporters and banks and increased capital inflows.Besides, strengthening of euro and other currencies against the dollar overseas , also supported the rupee. The BSE benchmark Sensex fell by 22.72 points, or 0.11 per cent, to 19,982.28 in early trade today. The rupee had shot up by 47 paise to close at nearly three-month high of 53.30 on Wednesday against the dollar.