The Australian dollar fell more than half a percent, on a slide in prices of iron ore, one of the country's biggest exports.
U.S. stock index futures moved between small gains and losses Tuesday, ahead of several retail first-quarter earnings reports.
Stocks finished in positive territory after hovering around the flatline for much of the session Monday, as investors remained cautious amid recent mixed economic reports.
Asian equities fell on Friday following a selloff in global markets, but Indian shares outperformed the region.
Treasurys dropped on profit-taking and on reduced bids from European traders following the close of European markets.
European shares closed mixed with traders with concerns over stock valuations, policy action from the ECB and upcoming elections in the region.
U.S. oil prices rose as a weak dollar prompted buying, while Brent prices fell on concerns about China's slowing economy.
Brent was supported by instability in Libya while U.S. oil for June delivery dipped modestly.
The dollar teetered near a three month low against the yen on Monday, hit by falling U.S. interest rates.
Asian stock markets lost ground on Monday as concerns about a slowdown in China offset Friday's positive lead from Wall Street.
U.S. stock index futures erased their early gains Friday following a better-than-expected housing starts report.
Stocks turned higher in the final hour trading, looking to close out the week on a high note, but major averages were still poised for weekly losses.
U.S. Treasury yields on benchmark 10-year notes pushed above the psychologically-important 2.50 percent mark.
European shares closed mixed on Friday, having wavered throughout the day, with concerns remaining about slow growth, low inflation and hefty valuations.
U.S. futures fell even as concerns about the crisis in Ukraine and a tightening global oil market kept prices near 2-1/2-week highs.
The dollar extended losses against the yen, trading near two month lows and putting it on course for a big weekly loss.
Gold settled lower as US jobs and factory data indicated brighter prospects for the economy, hurting the metal's appeal as an investment hedge.
The euro was back against the dollar on Friday, rebounding from a 2-1/2-month trough as investors booked profits on bearish positions.
Stocks finished sharply in the red Thursday, with the Dow down triple digits, weighed down by disappointing earnings from a handful of retailers and weak economic reports.
U.S. stock index futures shaved their losses following a better-than-expected jobless claims report, though disappointing earnings from Wal-Mart weighed.
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Euro zone annual inflation held steady at 0.2 percent in July, far below the European Central Bank's target.
A U.K. withdrawal from the EU could trigger another Scottish independence referendum, said Nicola Sturgeon, the First Minister of Scotland.
Japan's inflation target remains out of reach, with June core CPI for June barely budging and as households unexpectedly stopped spending.