A Chinese conglomerate announced Monday it will buy a major U.S. cinema chain, AMC Entertainment Holdings, for $2.6 billion in China's biggest corporate takeover in the United States to date.

MOSCOW (Reuters) - President Vladimir Putin named loyal allies to top posts in Russia's new government on Monday, taking a firm grip on economic policy and limiting Prime Minister Dmitry Medvedev's ability to push a reform agenda. Finance Minister Anton Siluanov remains and pro-Putin economist Andrei Belousov takes over as economy minister, while Igor Shuvalov keeps his post as first deputy prime minister in overall charge of economic policy. ...

NEW YORK (Reuters) - Barely a day went by at the insider-trading trial of multimillionaire hedge-fund founder Raj Rajaratnam a year ago without mention of Rajat Gupta, a boldface name in business and charity circles. On Monday in the same federal court in New York, it will be Gupta's turn to go on trial. The former Goldman Sachs Group Inc and Procter & Gamble board member is accused of leaking stock secrets to Rajaratnam, his erstwhile friend and business associate who was convicted and is now in prison. ...

European stocks inched up Monday morning in spite of investors' lingering concerns that the G-8 leaders had failed to provide a concrete plan to solve the European debt crisis.

NEW YORK (Reuters) - Newly issued shares in Facebook Inc may have a hard time in the coming week if lead underwriter Morgan Stanley stops supporting the stock and managers lower down in the IPO book who were hoping for an early surge decide to get out before going underwater. Facebook on Friday sold 421 million shares of stock in a deal that valued the company at more than $100 billion. But investors, expecting a first-day pop in price, instead saw it close just 0.6 percent above the IPO price at $38.23. ...

A German official made clear on Monday that Berlin continues to oppose the idea of jointly-issued bonds for the 17-nation eurozone, which France's new president had suggested could be used to create much-needed economic growth and ease the region's financial crisis.

VIENNA/DUBAI (Reuters) - The U.N. nuclear watchdog chief began rare talks in Tehran on Monday after voicing hope for a deal to investigate suspected atomic bomb research - a gesture Iran might make to try to get international sanctions relaxed and deflect threats of war. International Atomic Energy Agency Director-General Yukiya Amano met the head of Iran's nuclear energy organization, Fereydoun Abbasi-Davani, hours after his pre-dawn arrival, according to ISNA news agency. ...

Street battles between pro- and anti-Syrian groups in the Lebanese capital killed two people overnight and wounded 15 as the spiraling conflict in neighboring Syria spilled across the border.

Athens (Reuters) - "Gentlemen, we are finished," said the patrician President, calling an abrupt halt to two hours of baiting and cat-calling between furious Greek politicians. "I'm starting to get upset myself now. We are finished." The final collapse of talks to forge a new Greek government triggered repeat elections and fears of a chaotic exit from the euro zone. But it is the manner of that collapse, the acrimony and rancor cited by Karolos Papoulias, that bodes ill for efforts after June polls to pull Greece back from the brink. ...

Assurances that world powers want debt-laden Greece to remain in the euro helped support world stock markets Monday after sharp losses over the past week.

LONDON (Reuters) - European shares and the euro steadied near their lows for the year on Monday as investor fears that Greece could leave the euro were partly countered by promises from China and the Group of Eight leaders at the weekend to support growth. The FTSE Eurofirst index of top European shares was around 0.4 percent higher at 974.03 points after losing 5.1 percent last week to reach its lowest level of the year. ...

BEIRUT (Reuters) - At least two people were killed in heavy fighting between rival Sunni Muslim gunmen in Beirut on Monday, medical and security sources said, in the latest violence fuelled by tensions over the uprising against Syrian President Bashar al-Assad. The clashes followed the killing of an anti-Assad Sunni cleric and his colleague at an army checkpoint in north Lebanon on Sunday, triggering angry protests in Sunni districts of northern cities and the capital. ...

Struggling Internet company Yahoo Inc. has secured a lifeline after agreeing to sell half of its prized stake in Chinese e-commerce group Alibaba for about $7.1 billion, with most of the cash going to shareholders.

Three climbers who were among scores who scaled Mount Everest over the weekend died on their descent and two more are missing, a Nepalese official said Monday.

The top U.S. envoy for North Korea warned Pyongyang on Monday that any nuclear test would be a serious miscalculation that would unify the world in seeking swift, tough punishment.

PARIS (Reuters) - Stock index futures pointed to a higher open on Wall Street on Monday, with futures for the S&P 500 up 0.85 percent, Dow Jones futures up 0.49 percent and Nasdaq 100 futures up 0.79 percent at 0842 GMT. European stocks were up 0.5 percent in morning trade on Monday following a dismal week, but gains were capped by lingering worries over the future of Greece into the euro zone. ...

FINALE EMILIA, Italy (Reuters) - Thousands of people in northern Italy slept in tents and cars overnight as more than 100 aftershocks rocked the area hit by a magnitude 6.0 earthquake that killed seven people and inflicted heavy damage to centuries-old cultural sites. "The fear that your house will collapse on your head is great, so it was good to be able to sleep in this tent," said one man who spent the night outdoors, cold but safe, in the town of San Felice Sul Panaro. ...

A Chinese conglomerate announced Monday it will buy a major U.S. cinema chain, AMC Entertainment Holdings, for $2.6 billion in China's biggest takeover of an American company to date.

FRANKFURT, Germany (Reuters) - The head of General Motors unit Opel sought to allay workers' fears that the automaker plans to shut one of its four German plants as it pulls production of the Astra, its best-selling model, from the country. Opel Chief Executive Karl-Friedrich Stracke is under pressure from GM to end heavy losses at the U.S. carmaker's German arm by shifting production to countries with lower labor costs. Stracke told workers in Bochum on Monday that no decision has been made on their plant's future beyond 2014. ...

SHANGHAI/BEIJING (Reuters) - One of China's most conspicuously reform-minded leaders has stepped back into the spotlight after the nation's biggest political convulsion in a generation, positioning himself to gain from the fall of populist politician Bo Xilai. Wang Yang, leader of Guangdong province and well known for his deft handling of recent civil unrest there, is the first of three provincial-level party bosses who stand to benefit after a murder scandal snuffed out Bo's career last month. ...

DUBAI (Reuters) - A militant group claimed responsibility for a suicide bombing in eastern Syria last week that killed nine people and said attacks would continue, in a statement posted on the Internet on Monday. The al-Nusra Front said it was behind the attack on Saturday which targeted military installations in Deir al-Zor. The authenticity of the statement could not immediately be verified. ...

The head of the U.N. nuclear agency arrived Monday in Tehran on a key mission that could lead to the resumption of probes by the watchdog on whether Iran has secretly worked on an atomic weapon.

SAN FRANCISCO (Reuters) - The chief executives of Apple Inc and Samsung Electronics Co Ltd come face to face on Monday in court-directed mediation in the United States over a dispute in which the iPhone maker claims the Korean firm has "slavishly" copied some of its products. Apple's Tim Cook and Samsung's Choi Gee-sung have been instructed by a federal judge to appear for mediation in San Francisco to help resolve the bitter patent litigation between the two firms. The U.S. ...

SHANGHAI/NEW YORK (Reuters) - Chinese Internet entrepreneur Jack Ma is buying back up to half of a 40 percent stake in his Alibaba Group from Yahoo Inc for $7.1 billion, in a deal that moves the Chinese e-commerce leader closer to a public listing. Under the agreement, Yahoo will sell half its stake in Alibaba for at least $6.3 billion in cash and up to $800 million in new Alibaba preferred stock. ...

MELBOURNE (Reuters) - Australia's top airline Qantas Airways said on Monday it is eliminating 500 jobs by merging maintenance facilities to save up to A$100 million ($98.4 million) annually, as high fuel costs and weak demand take a toll on airline profits. Qantas, which is emerging from a costly industrial dispute, said in statement it will stop heavy maintenance in Tullamarine in Melbourne and concentrate on centers in Brisbane and Avalon, resulting in the job cuts. It had, in February, flagged another 500 job cuts for the group. ...

(Reuters) - The Nasdaq is planning to revamp its systems for handling stock offerings after acknowledging that technology problems had affected trading in millions of newly issued Facebook shares on Friday, the Wall Street Journal reported. Individual investors were left in the dark for hours on Friday about whether their buy and sell orders for Facebook shares had actually been executed, in the latest of a series high-profile exchange glitches. ...

NEW YORK (Reuters) - Newly issued shares in Facebook Inc may have a hard time in the coming week if lead underwriter Morgan Stanley stops supporting the stock and managers lower down in the IPO book who were hoping for an early surge decide to get out before going underwater. Facebook on Friday sold 421 million shares of stock in a deal that valued the company at more than $100 billion. But investors, expecting a first-day pop in price, instead saw it close just 0.6 percent above the IPO price at $38.23. ...

(Reuters) - A pledge by leaders of industrialized nations to help the troubled world economy is unlikely to herald quick new action by Europe on its debt crisis, meaning more uncertainty for nervous financial markets. The Group of Eight economies stressed on Saturday that their "imperative is to promote growth and jobs", as they also recognized problems among European banks and gave verbal backing for Greece to stay in the euro. Still, despite U.S. calls for immediate moves to boost growth, no sign emerged that Germany would soften its stance on austerity as the cure for Europe's debt ...

SAN FRANCISCO (Reuters) - The chief executives of Apple Inc and Samsung Electronics Co Ltd are used to running the show at their global tech empires, but they will be in for a different experience when they arrive at a San Francisco federal courthouse on Monday. Apple's Tim Cook and Samsung's Choi Gee-sung, whose companies are embroiled in bitter patent litigation, have been instructed by a federal judge to appear for court-supervised mediation. A joint court filing in April said that "as directed by the Court, Apple and Samsung are both willing to participate" in the discussions. ...

(Reuters) - Shares in social media company Facebook Inc could fall below the initial public offering price of $38, Barron's wrote in its May 21 edition. Facebook saw its shares rise a scant 0.6 percent to $38.23 on Friday in the first day of trading. The stock stayed above the $38 IPO price, supported in the market by the deal's underwriters. But Barron's said the "big question" this week will be whether they continue to do so. ...