Stocks and U.S. futures rose and the euro snapped a three-day decline against the dollar as China said it remains a long-term investor in Europe. commodities rallied.

The msci World Index, a gauge of equities in 24 developed nations, climbed 0.6 percent at 9:56 a.m. in London. Futures on the Standard & Poor’s 500 Index rose 2 percent. The euro strengthened 0.6 percent against the dollar, paring a decline that drove it 1.6 percent lower in the three days through yesterday, and appreciated 1.1 percent compared with the yen. Oil and copper rose for a second day.

More than three shares rose for every one that fell on the benchmark Stoxx Europe 600 Index. China’s foreign exchange regulator said reports that it was reviewing its euro holdings are “groundless,” boosting sentiment in the wake of a debt crisis that wiped about $6 trillion from the value of equities this month. A report today may show the number of Americans filing for jobless claims fell last week, adding to evidence that the U.S. economy is gathering strength.

“The news out of China is providing some relief, while better data out of the U.S. is stoking some cautious optimism in markets,” said melinda burgess, a foreign-exchange strategist at royal bank of Scotland Group Plc in London.

BHP Billiton Rallies

The Stoxx 600 gained 0.6 percent, extending yesterday’s 2.4 percent surge, while the msci Asia Pacific Index jumped 1.8 percent. Man Group Plc, the biggest publicly traded hedge fund firm, soared 4.3 percent in London after reporting earnings that topped analyst estimates. BHP Billiton Plc rose 3 percent and Rio Tinto Plc advanced 2.9 percent after the Australian newspaper said the Pacific nation may change the rate at which a proposed mining profit tax takes effect.

The rally in U.S. futures indicated the S&P 500 may erase yesterday’s 0.6 percent decline. The benchmark index fell as a report that China may review investments in European government bonds spurred concern the debt crisis will worsen.

U.S. stock markets are oversold and may rally strongly in the next few days, said investor Barton Biggs, who runs New York-based hedge fund Traxis Partners LP.

“I think they’re going to stabilize in this general area, and then we’re going to have a significant move to the upside,” Biggs, whose flagship fund returned three times the industry average last year, said in a bloomberg Television interview.

A Labor Department report set for 8:30 a.m. in Washington may show the number of Americans filing for jobless claims fell last week to 455,000 from 471,000, according to the average economist estimate in a bloomberg survey.

Emerging Markets

The msci emerging markets Index advanced 0.8 percent, extending yesterday’s 3.2 percent rally and heading for its biggest back-to-back gain since July 2009. Benchmark indexes in China, south korea and Hungary rose more than 1 percent today.

Templeton Asset Management Ltd.’s mark mobius said he’s been buying stocks in Brazil, Russia, India and China in the past month and the slump in emerging markets is a “correction” in a bull market.

“Despite the fact that a lot of people think that we are entering into a bear market, we don’t believe so,” Mobius, who oversees about $34 billion in emerging markets as Templeton’s Singapore-based executive chairman, said in an interview yesterday in Cairo. “When the time comes, emerging markets will recover faster and in a big way.”

South Korean Won

The yen and the dollar declined as the gains in stocks damped demand for the currencies as a haven, encouraging traders to buy higher-yielding assets. The Japanese currency slid against all 16 of its most-traded counterparts while the dollar declined versus 14. The South Korean won appreciated for the first time in three days after the central bank forecast a $2.5 billion current-account surplus for May.

Crude oil for July delivery advanced 1.3 percent to $72.45 a barrel in New York trading. Copper for delivery in three months jumped 1.6 percent to $6,887 a metric ton on the London Metal Exchange. Aluminum, nickel and zinc also gained. Palladium for immediate delivery added 2.9 percent to $451.50 an ounce, advancing for the first time in three days.

Treasuries fell for a second day as the government prepared to sell $31 billion of seven-year notes today. The yield jumped seven basis points to 3.26 percent. The German 10-year bund yield rose three basis points to 2.67 percent before a report economists say will show inflation accelerated this month, fueling concern governments will struggle to entice buyers amid record-low yields and improving economic data.

The cost of insuring against losses on European corporate bonds fell, with the Markit iTraxx Crossover Index of credit- default swaps on 50 mostly high-yield companies dropping 21.4 basis points to 579.3, according to Markit Group Ltd. That’s still near the highest level in 10 months.