Published by Jamie JemmesonHigh-yield currencies such as the euro and the Aussie were holding firm in this morning's (September 3rd) forex trading, ahead of a key US jobs report.Forex brokers maintained a more accommodating appetite for risk this morning after an improvement in US housing data yesterday, but hedge currencies, particularly the yen and the Swiss franc, were still trading near their recent record highs.Speaking to Reuters, Daisuke Karakama, market economist at Mizuho Corporate Bank, said: "Market players have been building up positions for some time to brace for a weak US recovery. So I guess that any upside surprise in the payrolls data could move the market."He added that forex traders are awaiting the US jobs data due to be published later today before moving heavily into hedge or risk currencies.Forex Factory data shows analysts expect the US unemployment rate to rise to 9.6 per cent, up ten percentage points, while the non-manufacturing purchasing managers' index is also forecast to move closer towards negative territory.For more information on foreign exchange treasury services and risk management, visit our Corporate FX site.