ARGENTINA

Kweku Adoboli, the 31-year-old London man accused as the rogue trader who cost Swiss banking giant UBS an estimated loss of $2 billion, is a "well-dressed quiet man" of African origin who wasn't the "tidiest" but is very "well spoken," according to a former landlord.

UBS has 65,000 employees. The Swiss bank has global operations, serving approximately 50 countries. The company has been around for nearly 150 years. But one rogue trader -- reportedly a 31-year-old living and working in London -- has apparently brought the company to its knees in embarrassment and financial loss.

The Miss Universe 2011 swimsuit presentation took place on Thursday night, as the international beauties showed their stuff in Sao Paulo, Brazil.

Halliburton Co (HAL.N) filled a gap in its offering of oil and gas extraction services with a deal to buy Multi-Chem Group LLC, North America's fourth-largest production chemicals company.

Caroline Wozniacki won a late-night thriller against former champion Svetlana Kuznetsova at the U.S. Open on Monday to stay on course for a heavyweight showdown with Serena Williams.

Roger Federer will face Jo-Wilfried Tsonga in the quarterfinals of the US Open, in a rematch of the Wimbledon quarters earlier this year, after a straight-sets victory against Juan Monaco, before which Novak Djokovic fought past Alexandr Dolgopolov.

Six months after she nearly died, Serena Williams is closing in on what could be the greatest achievement of her incredible career.

Nigeria's central bank plans to diversify its $33 billion in foreign exchange reserves away from the dollar by switching a tenth of the stockpile into yuan, underlining the momentum behind China's drive to internationalise its currency.

Amid much moaning in U.S. media about the state of the nation's tennis prowess, veteran Andy Roddick, emerging Donald Young and big serving John Isner kept up a strong showing by American men with wins at the U.S. Open Sunday.

World number two and defending champion Rafael Nadal fought his way into the fourth round by beating Argentina's David Nalbandian in the US Open at Flushing Meadows.

World number two and defending champion Rafael Nadal fought his way into the fourth round by beating Argentina's David Nalbandian in the US Open at Flushing Meadows while Andy Murray had a straightforward passage against Spain's Feliciano Lopez.

New Argentina manager Alejandro Sabella started his era with a win against Venezuela, thanks to a second half goal from Nicolas Otamendi.

World number one Novak Djokovic displayed exactly why he has lost just two matches this year with a demolition of Argentina's Carlos Berlocq in the US Open, while Roger Federer also had an easy day at Flushing Meadows.

The football magician Lionel Messi arrived in Kolkata early Wednesday to take part in the FIFA international friendly match against Venezuela, which will be played at the Salt Lake Stadium on Sept. 2.

The top seed makes easy work of his first round opponent.

Argentine poet Jorge Luis Borges was honored with a Google Doodle on Wednesday in celebration of his 112th birthday.

Serbia's world number one Novak Djokovic was named Wednesday, as expected, as the top seed for the August 29-September 11 U.S. Open.

The long-missing parent yeast of lager beer was discovered newly, and is believed to have sailed from Patagonia in South America, taking a 7,000-mile journey to Bavaria, the birth place of the most popular alcoholic beverage of today.

The mystery behind the birth of lager beer has gained a new clue through the discovery of elusive species of wild yeast in the frozen forests of Patagonia in Argentina.

Latin American precious metals miner Hochschild Mining posted its highest-ever first-half profit, driven mainly by strong gold and silver prices, and said it was on track to meet its full-year production target.

Scientists have cracked the mystery behind the lager beer after years of research and found the yeast's genomic foundation, paving way for new types of designer beers.