Eur/usd - 1.2603 ... The single currency strengthened against U.S. dollar on short-covering together with rumors that sizeable defensive bids are lined up fm 1.2535 to 1.2485 to protect option barrier at 1.2450. On the upside, some offers are reported at 1.2650 n 1.2670 as investors are focusing on the release of U.S. non-farm payrolls data later today.