IBT Staff Reporter

Apple Inc has sued Amazon.com Inc in a bid to stop the online retailer from improperly using Apple's APP STORE trademark, according to a court filing.

Twitter celebrates fifth birthday even as the microblogging site grows into something bigger than expected in global influence.

Professor Yuko Aoyama from Clark University Geography Department says the collective spirit in Japan is very high at the moment, in an interview to IBTimes on Japan's earthquake and the resultant tsunami and their impact on the world's third largest economy.

U.S. firms are increasingly vexed over growing Chinese red tape that prevents them from expanding quickly in China's vast market, a survey by the American Chamber of Commerce showed on Tuesday.

Japan tried to keep the yen in check on Tuesday as it grapples with the aftermath of a deadly earthquake and tsunami, warning markets that Tokyo was keeping a close watch on the currency and would act together with its G7 partners if needed.

Brent dropped by as much as 0.5 percent on Tuesday to stay below $115, as investors betting oil prices would rise with western involvement in Libya's civil war took profits in anticipation of a slowdown in air strikes.

Dell Inc's annual revenue in India is nearing $2 billion and the world's No. 2 maker of personal computers plans to add more staff in the country, its chief executive said.

Japanese shares rose almost 4 percent on Tuesday while government bond futures slipped as reports of progress to contain radiation leaks at a quake-hit nuclear plant prompted investors to buy back risky assets.

Japanese stocks jumped more than 4 percent on Tuesday amid reports of progress in stabilizing an earthquake-damaged nuclear plant and the yen edged up, putting traders on heightened alert for more central bank intervention.

Brent crude futures were steady near $115 on Tuesday, supported by a spreading unrest in the Middle East, while uncertainty about demand from the world's No. 3 consumer Japan capped gains.

Japanese stocks jumped nearly 4 percent on Tuesday amid reports of progress in stabilizing an earthquake-damaged nuclear plant, and the yen was broadly weaker on the prospects for further intervention by major central banks.

Sony <6758.T> said on Tuesday shortages of parts and materials would force it to reduce or suspend production at five additional plants in Japan following the catastrophic earthquake this month.

China's exports of rare earth metals burst through the $100,000-per-tonne mark for the first time in February, up almost ninefold from a year before, while the volume of trade stayed far below historical averages.

The chief executive of Verizon Wireless said he has no interest in buying Sprint Nextel Corp even as the company stands to lose its top position in the U.S. wireless market because of a merger between AT&T Inc and T-Mobile USA.

Cuba attacked dissident blogger Yoani Sanchez in a nationally televised program on Monday, accusing of her being part of a cyberwar against the communist island by the United States and other enemies.

Global miner Rio Tinto said on Tuesday its first-quarter iron ore production would be hit by a string of cyclones that swept through its mining operations in Australia last month.

While a real war in Libya is unfolding, a much less serious event took place in Berlin, where a pillow fight flash mob suddenly appeared in front of the German capital's iconic Brandenburger Tor and engaged in a large scale pillow fight.

Shutterfly said it agreed to buy privately held card design company Tiny Prints in a $333 million cash-and-stock deal, as the photo-sharing service tries to win back customers in a market increasingly dominated by social networking sites like Facebook.

Microsoft Corp filed lawsuits for patent infringement on Monday against bookseller Barnes & Noble Inc over its Nook electronic book reader, widening the software company's legal assault on devices running on Google Inc's Android system.

AT&T Inc will likely be forced to sell major assets and pledge to expand service to poor areas to get approval from the U.S. government for its $39 billion deal to buy Deutsche Telekom AG's T-Mobile USA.

NEW YORK, March 21 - Six former and current employees of a U.S. unit of Bayer AG filed a class-action lawsuit against the company on Monday, alleging gender discrimination in pay, promotions and the treatment of pregnant women and mothers.

NEW YORK, March 21 - Six former and current employees of a U.S. unit of Bayer AG filed a class-action lawsuit against the company on Monday, alleging gender discrimination in pay, promotions and the treatment of pregnant women and mothers.

A nascent boom in the demand for rental apartments is luring U.S. property developers from the shadows, and their efforts to meet that demand are softening the blow for a still sliding housing market.

Charles Schwab Corp will buy U.S. online brokerage optionsXpress Holdings Inc in a $1 billion deal that gives Schwab a stable of the most active retail traders, as options continue to boom.

Raj Rajaratnam made $4 million on Hilton Hotels stock when the company was bought by Blackstone Group LP in July 2007, jurors heard on Monday, as prosecutors pressed their case that the hedge fund founder had profited from inside tips about pending deals.

The U.S. natural gas market's rally last week, its biggest this year, may have less to do with an anticipated Japanese import boom than with fears about short-term safety measures in the U.S. nuclear sector.

AT&T's planned buy of Deutsche Telekom AG's T-Mobile USA will face major demands from U.S. regulators, including extensive asset sales and promises to serve rural areas, but the $39 billion deal is expected to ultimately get a government nod.

Citigroup Inc will resume paying a nominal dividend after it uses a reverse stock split to shrink the number of shares outstanding, taking a small step in its recovery from the financial crisis.

Washington Mutual Inc will soon be able to ask creditors to approve its modified plan for paying off its debts as it tries for a second time to get out of bankruptcy.