The price of oil dipped ahead of a U.S. supply report that is expected to show an improvement in demand.
The dollar dropped broadly on Tuesday, as lower U.S. Treasury debt yields drove investors to trim bullish bets.
Oil was mixed following the breakthrough deal with Iran that led to expectations for an eventual increase in the nation's exports.
The euro climbed to a four-year peak against the yen and rose for a second straight day versus the dollar on Friday.
The yen hit a six-month low against the dollar and a four-year trough versus the euro on Monday as a deal on Iran's nuclear program sent risk higher.
Asian shares kicked off the week higher after a historic deal over Iran's nuclear program bolstered risk appetite.
Stocks rise, with S&P ending above 1,800.
Long-dated Treasurys prices rose on Friday as yield curve flattening trades unwound a small bit of the curve steepening.
U.S. stocks mixed, with Dow closing at another record high.
European equities closed higher on Friday as improving U.S. economic data heightened investor confidence about the state of the global economy.
The dollar edged lower after Fed Chairman Ben Bernanke said the Fed will maintain its ultra-easy policy for as long as needed.
European equities were mixed on Thursday as investors reacted to worse-than-expected data for the euro zone.
Brent edged higher amid dwindling expectations of an imminent breakthrough with Iran, but U.S. prices sank in choppy trade.
Gold eyed its sharpest weekly drop in more than two months as strong data and Fed taper talk sent the metal to its lowest since early July.
Asian shares were mostly higher on Friday but were off session highs by the afternoon after upbeat U.S. economic data spurred a strong risk-on rally.
U.S. stock index futures signaled a higher open on Wall Street on Friday.
U.S. stocks rise on Thursday, with the S&P 500 halting a three-session losing run.
U.S. stock-index futures maintained Thursday gains.
U.S. stock index futures turned lower as Asian and European stocks mirrored the U.S.'s losses from the previous session.
Crude rose by more than $1 per barrel on Thursday, boosted by positive U.S. economic data and surging gasoline prices.
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