The buying rate of the US dollar was Rs160.1, while its selling rate was Rs160.8. Photo: AFP/FileThe buying rate of the US dollar was Rs160.1, while its selling rate was Rs160.8. Earlier on Monday, the rupee ended 0.12% weaker as importers and companies bought dollars to settle their payments.Dealers said increased demand for the greenback from the importers and the corporate sector put pressure on the domestic currency.