The spot rupee opened at 43.58 per dollar, and closed at 43.57 per dollar today as against the last weekend close of 43.61 per dollar.Prices of government securities fell across-the-board following heavy selling. While long and medium term papers fell by 30-50 paise, short-end papers declined 25 paise.The 10-year, 7.38% 2,015 bond closed at an yield of 7.25% after touching an intra-day high of 7.28%. Call rates were higher at 5.20-5.40%, and reverse repo bids declined to Rs 3,800 crore.