Last week, we got US ISM Manufacturing PMI for April:April: 54.9 March: 53.7. Economists' forecasts were around 54.3.US ISM Services PMI (or non-manufacturing PMI) for April came in today:April: 55.2, March: 53.1Forecast: 54.3New Orders surged, and overall activity rose the fastest since early 2008: (source: Institute for Supply Management)Manufacturing and services continue to improve in the recent months, but traders are not impressed, or rather, the market remains tentative in terms of USD-direction.Yellen's testimony in front of the Joint Economic Committee of Congress in Washington DC will be most important USD-event risk this week.