Japan's Nikkei share average gained 1.9 percent on Tuesday and the yen weakened to a 33-month low against the dollar after a U.S.Treasury official seemed to voice support for Japan's aggressive policies to combat deflation and bolster growth.
The PIMCO Total Return Fund, decreased its mortgage holdings to its lowest level since mid-2011, ahead of the prospect of higher interest rates and emerging inflationary pressures.
Billionaire investor Jim Rogers told CNBC's "The Kudlow Report" that the stock rally is just the result of ultra-easy monetary policy by the world's central banks.
The euro rose against the dollar and yen on Monday after incurring heavy losses for three straight days as an ECB policymaker dismissed talk of intervening to weaken the currency.
U.S. Treasurys dipped slightly but remained within recent ranges on Monday before new Treasury supply this week and a day ahead of President Barack Obama's State of the Union address, which will be watched for any signs of a deal on spending cuts.
Brent crude futures fell on concerns about the euro zone economy, while U.S. crude rose and narrowed the spread between the two contracts, reducing Brent's premium to its U.S. counterpart.
Gold fell to a one-month low on Monday, as investment appetite for the metal was hurt by a sluggish price performance in the year to date.
The yen jumped Friday after Japan's finance minister said the currency's recent drop had gone too far, too fast, and doubts crept in about aggressive Bank of Japan action.
U.S. Treasurys ended near flat on Friday after dipping during the session when stocks resumed their climb and traders positioned for $72 billion in new government debt supply next week.
The premium of international benchmark crude Brent to U.S. oil futures jumped to over $23 a barrel as concerns mounted about stockpiles of crude at the Cushing, Oklahoma, delivery point for the U.S. contract.
Underlying sentiment in bullion and the euro was weak after the European Central Bank highlighted downside risks to the region's economy.
Asian shares edged up on Friday after China's trade data for January beat forecasts to underscore a recovery trend, but prices were capped by investors seeking to book profits before next week's Chinese New Year holidays.
The euro plunged against the dollar and yen on Thursday after ECB President Mario Draghi said the euro exchange rate was important to growth and price stability.
Prices for U.S. Treasurys rose on Thursday as investors bought safe-haven U.S. debt after the head of the European Central Bank noted the risks facing the euro zone economy, cooling investors' fervor for riskier assets.
Gold eased after the European Central Bank (ECB) left interest rates unchanged and as the focus turns to an imminent press conference that could give further clues on monetary policy.
Brent crude oil edged higher after Iran rejected calls for direct talks with the United States, while U.S. crude prices tumbled on concerns about growing domestic stockpiles in the Midwest.
European shares closed lower after choppy trading on Thursday, tracking falls on the U.S. equity markets.
U.S. stock index futures pared their gains Thursday following policy announcements from both the Bank of England and the European Central Bank and as investors digested a pair of mixed economic reports.
Asian stocks were mostly lower on Thursday, with caution setting in ahead of a central bank policy meeting in Europe.
As investors push equities and other risk assets to multi-year highs, one question being raised by analysts is whether or not upbeat markets are becoming too complacent.