IBT Staff Reporter

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.

There were worrying signs for defending US Open champion Rafael Nadal, who after sealing his place in the fourth round of the tournament with a straight-sets victory against David Nalbandian, collapsed onto the floor, clutching his right leg during the post-match press conference.

Samsung Galaxy S II, one of the most anticipated smartphones of this year and the strongest rival of iPhone 5 is about to hit the U.S shores at the end of this week.

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.

A spin-off of Hewlett-Packard Co's PC unit would be the best value for shareholders, according to the head of its PC division, who added that tablet computing was relevant to the future market for any spinoff.

Switzerland must solve a dispute with the United States over wealthy citizens using secret Swiss accounts to dodge taxes under existing laws and should continue to protect bank secrecy, the Swiss Bankers Association head said on Monday.

Stocks fell on Monday and the euro hit a three-week low versus the dollar as worries about Greek and Italian fiscal deficits and a regional election rout for Germany's ruling party cast more doubt on the euro zone's ability to solve its debt crisis.

Eighty-five percent of U.S. companies in Southeast Asia plan to expand their business as the region will become more important in the next two years, the American Chamber of Commerce in Singapore said on Monday.

Deutsche Telekom AG could miss out on a multi-billion dollar break fee if regulatory hurdles cause the failure of its $39 billion deal to sell T-Mobile USA to AT&T, a person familiar with the matter said.

AT&T may not have to pay Deutsche Telekom a multi-billion dollar breakup fee, even if its $39 billion acquisition of T-Mobile USA fails, a person familiar with the matter said.

Switzerland must solve a dispute with the United States over wealthy citizens using secret Swiss accounts to dodge taxes under existing laws and should continue to protect bank secrecy, the Swiss Bankers Association head said on Monday.

Samsung Electronics Co has stopped promoting its new tablet computer at Europe's biggest consumer electronics fair after a court-ordered sales injunction in Germany, the latest setback in its global patent battle with Apple Inc.

Japanization is shorthand for slouching toward that country's noxious mix of low growth and high debt. Euro zone governments will find it tough to keep the ugly new word out of their lexicon.

Apple has ruled over the smartphone and tablet market with a collection of 500,000 apps, offering more than 250,000 apps in iPhone, iPad and iPod Touch.

Brent crude oil fell below $111 a barrel on Monday, as fears of another U.S. recession slowing fuel demand overshadowed concerns that a tropical storm may shut down some U.S. offshore oil production.

World stocks fell to a one-week low on Monday and the euro hit a three-week trough against the dollar as investors worried the U.S. jobs market may be beyond easy repair and Europe faced a series of risks that would reignite its debt crisis.

A former minister and mining baron in India's iron ore-rich southern state of Karnataka was arrested on Monday in connection with a mining scandal that may have cost the state $3.6 billion in lost revenue, police said.

Brent crude oil fell toward $111 a barrel on Monday, as fears of another U.S. recession slowing fuel demand overshadowed concerns that a tropical storm may shut down some U.S. offshore oil production.

Europe faces a string of political and legal tests this week that could hurt efforts to resolve its sovereign debt crisis and increase pressure for governments to try more radical solutions.

Downtown Oakland was bustling with activity this weekend as people gathered to attend a marijuana street fair, touted as the first in the nation.

Italy's chaotic efforts to pass a new austerity plan already included disputed figures, policy U-turns and cabinet rows even before Silvio Berlusconi's latest brush with scandal added prostitutes and wiretaps to the mix.

European shares were set for sharp losses on Monday after Asian stocks slid and the euro hit a three-week low against the dollar, as fears of a renewed U.S. recession and sustained worries about the euro zone debt crisis prompted investors to sell riskier assets.

Recent gains in the Chinese yuan have helped curb price rises in the country, but it's too early to conclude that Beijing has won its battle on inflation, World Bank President Robert Zoellick said on Monday.

It's been a rough summer for U.S. initial public offerings after the stock market nosedived, but tech issues could see strong demand after bankers and fund managers return from vacation in September.

As global companies expand in Asia, financial hubs such as Hong Kong are suffering a shortage of international school places that may blunt the city's competitive edge against regional rivals including Singapore.

China needs to rebalance its economy by boosting consumption since the country cannot rely on exports and investment alone to drive growth over the longer term, World Bank President Robert Zoellick said on Monday.

Asian stocks fell and the euro slipped to a three-week low against the dollar on Monday as fears of renewed recession in the United States and sustained worries about the euro zone debt crisis prompted investors to sell riskier assets.

NASA has released a new interactive and free web-based application that allows users to explore the solar system. The Eyes on the Solar System provides a 3D environment full of NASA's mission data that allows users to see the solar system in real time.

Health experts lamented a move by U.S. President Barack Obama to halt rules on limiting smog pollution, saying the decision could endanger many people already susceptible to respiratory problems.