A photo illustration shows the Uber app logo displayed on a mobile telephone, as it is held up for a posed photograph in central London, Britain October 28, 2016. REUTERS/Toby Melville/Illustration

BRASILIA (Reuters) - The Brazilian Air Force is planning to privatize the running of its telecom network used for defense, surveillance and air traffic control, an Air Force spokeswoman said on Tuesday.

Bitcoin (virtual currency) coins are seen in an illustration picture taken at La Maison du Bitcoin in Paris, France, May 27, 2015. REUTERS/Benoit Tessier/File Photo

Signs for Hewlett Packard Enterprise Co. cover the facade of the New York Stock Exchange November 2, 2015. REUTERS/Brendan McDermid/File Photo

One of many Qualcomm buildings is shown in San Diego, California, U.S. on November 3, 2015. REUTERS/Mike Blake/File Photo

Jay Y. Lee, center, vice chairman of Samsung Electronics, arrives to be questioned as a suspect in bribery case in the influence-peddling scandal that led to the president's impeachment at the office of the independent counsel in Seoul, South Korea, Thursday, Jan. 12, 2017. REUTERS/Ahn Young-joon/Po...

(Reuters) - Toshiba Corp is considering spinning off its semiconductor business and selling a partial stake in the unit to Western Digital Corp, the Nikkei financial daily reported on Wednesday.

DALLAS (Reuters) - Facebook Inc Chief Executive Officer Mark Zuckerberg took the witness stand in Dallas federal court on Tuesday and denied an allegation by a rival company that Facebook's virtual-reality technology of its Oculus unit was stolen.

SANTIAGO (Reuters) - Chile will hold a tender in April to encourage companies to use its vast lithium resources to move it up the value chain with cathode or battery production, the head of the country's development agency told Reuters on Tuesday.

LONDON (Reuters) - Tech giant Apple is set to raise the prices of its apps in Britain by around 25 percent after the steep drop in sterling following Britain's vote to leave the European Union.

SAO PAULO (Reuters) - The Brazilian government is prepared to intervene if negotiations fail in bankruptcy court over phone carrier Oi SA, newspaper Folha de S.Paulo reported on Tuesday, citing an interview with Communications Minister Gilberto Kassab.

NEW YORK/LONDON (Reuters) - Blockchain technology could help the world’s largest investment banks cut their infrastructure costs by between $8 to $12 billion a year by 2025, according to a report by Accenture.

FRANKFURT (Reuters) - Volkswagen's Audi AG said it will expand its model portfolio in China to include locally produced electric cars produced by FAW VW, handing a lifeline to China FAW Group Corp.[SASACJ.UL] whose brands have struggled.

NEW YORK (Reuters) - Financial technology vendor Misys is launching software to enable banks to provide peer-to-peer lending to their customers as competition from young companies in the sector heats up.

SEOUL (Reuters) - The head of South Korea's giant Samsung Group faces a long day in court on Wednesday as a judge decides whether he should be arrested for bribery in a corruption scandal that has engulfed President Park Geun-hye's administration.

Baidu's company logo is seen at its headquarters in Beijing December 17, 2014. REUTERS/Kim Kyung-Hoon/File photo

TORONTO (Reuters) - Portag3 Ventures, a financial technology fund backed by Canada's Power Financial Corp , has invested an undisclosed amount in finance startup Street Contxt, Portag3's president said in an interview on Monday.

Facebook CEO Mark Zuckerberg is seen on stage during a town hall at Facebook's headquarters in Menlo Park, California September 27, 2015. REUTERS/Stephen Lam/File Photo

A sign of Baidu is seen during the third annual World Internet Conference in Wuzhen town of Jiaxing, Zhejiang province, China November 17, 2016. REUTERS/Aly Song

Airbus Group Chief Executive Tom Enders speaks during a news conference on the aerospace group's annual results, in London, Britain February 24, 2016. REUTERS/Hannah McKay

SEOUL (Reuters) - South Korea's special prosecutor on Monday sought a warrant to arrest the head of Samsung Group [SAGR.UL], the country's largest conglomerate, accusing him of paying multi-million dollar bribes to a friend of President Park Geun-hye.

TEL AVIV (Reuters) - U.S. software provider Oracle Corp said on Monday it was opening an accelerator program in Israel for startups developing cloud technologies or whose technologies are based in the cloud.

HELSINKI (Reuters) - Finnish mobile games and animation company Rovio Entertainment is stepping up its hunt for new hit games by opening a studio in London to focus on multiplayer games that would not rely on the company's Angry Birds brand.

BEIJING (Reuters) - The Chinese government has renewed calls for private investment in the country's telecommunication firms as it encourages them to cut fees and other costs and become more competitive in offering internet-related services.

SEOUL (Reuters) - Tech giant Samsung Electronics Co Ltd will announce the results of its investigation on what caused some Galaxy Note 7 smartphones to catch on fire on January 23, South Korea's Yonhap News Agency reported on Monday citing unnamed sources.

FRANKFURT (Reuters) - Facebook said on Sunday it would update its social media platforms in Germany within weeks to reduce the dissemination of fake news.

DETROIT (Reuters) - Electric cars will pick up critical momentum in 2017, many in the auto industry believe - just not in North America.

NEW YORK (Reuters) - Twice a day, Scott Ozawa's Bluetooth-enabled toothbrush tells his dental insurer if he brushed for a full two minutes. In return, the 41-year-old software engineer gets free brush heads and the employer which bought his insurance gets premium discounts.

SEOUL (Reuters) - South Korea's special prosecutor on Sunday delayed a decision on whether or not to seek a warrant to arrest Samsung Group [SAGR.UL] leader Jay Y. Lee, who was questioned on bribery suspicions in an influence-peddling investigation.

An exterior of the SpaceX headquarters in Hawthorne, California May 29, 2014. REUTERS/Mario Anzuoni