FOREX-Dollar under pressure as U.S. payrolls data could spur more risk-taking

* Dollar at this week's low, markets see strong U.S. job gains * Strong job data could spur fresh fund flows to riskier assets * Canadian dollar at 3 1/2-yr high, Chinese yuan firm * Graphic: World FX rates tmsnrt.rs/2RBWI5E By Hideyuki Sano TOKYO, May 7 (Reuters) - The dollar stayed under modest pressure on Friday ahead of a key U.S. jobs report that could cement expectations of a strong economic recovery and increase investor appetite for stocks, higher-yielding currencies and commodities. The dollar's index against six other major currencies stood near its lowest level this week, at 90.867, having lost about 0.4% overnight. As the dollar is softer against most currencies, the euro outshone many others, having gained 0.5% on Thursday and last stood at $1.2067. Against the yen, the dollar dipped to 109.05 yen, almost flat so far on the week as its rebound since late April has lost steam. U.S. payrolls data, due at 1230 GMT, is expected to confirm the economy's solid path to recovery f