The dollar, ruble and euro rose against the yen on Tuesday, helped by signs Russia may want to avoid more military action in Ukraine.
Ukraine tension shakes investors, who head for the greenback on strong US spending data.
The dollar fell to a two-month low against the euro after data showed euro zone inflation unexpectedly held steady this month.
Fears over a Russian intervention in Ukraine and a Chinese slowdown sent traders to the Swiss franc and Japanese yen.
Putin's war games in Ukraine and a government report showing new housing sales at five-year highs both boosted the greenback on Wednesday.
The dollar fell against a basket of major currencies after soft U.S. consumer confidence data drove bond yields lower.
The dollar lost its safe haven bounce as risk appetite improved amid expectations that Ukraine would receive international aid.
U.S. data this week will continue to reflect the impact of extreme weather, presenting a downside risk for the U.S. dollar.
The National Association of Realtors delivered some bad news, sending the euro back up against the dollar.
A still fragile outlook for the European economy and strong US economic growth helped push the greenback up.
Dariusz Kowalczyk, Senior economist and strategist at Credit Agricole CIB, discusses the Australian dollar's weak performance on Thursday, following China's dismal factory data.
German and French economic growth numbers helped boost the euro to a near three week high against a dollar weakened by soft U.S. data.
Valentin Marinov, director of foreign exchange strategy at Citi, discusses the Australian dollar following the release of disappointing employment data and advises being short over the long term.
David Walker, Head of Equities Research at Stocks In Value, says Rio Tinto could reward investors with a stronger-than-expected dividend.
Chua Sock Koong, CEO at Southeast Asia's largest telecommunications operator Singtel, attributes the firm's 7.3 percent decline in operating profit to the strong Australian dollar.
CNBC's Matthew Taylor reports that Australian employment dropped 3,700 last month. Sean Darby, Chief Global Equity Strategist at Jefferies, weighs in on what that means for the central bank.
Kiran Kowshik, currency strategist at BNP Paribas, expects the U.S. dollar to trade higher on the back of Yellen's comments and says the aussie and kiwi should climb higher.
Chris Roberts, CEO of medical device maker Cochlear, says the firm's 73 percent decline in first-half profit doesn't reflect improving sales momentum.
The dollar was steady ahead of Janet Yellen's testimony in Congress, while Norway's crown jetted almost 1 percent higher.
Harry Dent, Editor of Survive & Prosper and Michael Blythe, Chief Economist at Commonwealth Bank of Australia discuss whether the RBA has caused Australia's property market to overheat.