Apple chief defends tax practices

Tim Cook, Apple chief executive, defended the technology group’s tax practices and denied it was engaged in massive tax avoidance schemes

Twitter wins over teens in race for users

Facebook fatigue manifesting as move by teenagers to set up extra accounts on rival sites to avoid parents’ scrutiny, according to Pew Research Centre

Apple’s Cook faces Senate grilling on tax

The hearing is set to shine a harsh spotlight on the group’s use of loopholes that allowed it to save tax on $44bn in ‘otherwise taxable offshore income’

Intel eyes expansion in mobile market

Company is to act aggressively to get chips into more smart devices, but some argue it needs to think outside the PC box and focus on future products

Apple tax fallout set to have global impact

Apple cut a deal to pay tax of 2 per cent in Ireland and passed billions of dollars of earnings through Dublin, enabling it to escape large payments to other countries

Apple urges reform of US tax system

The company’s solution is that the US needs to reform the way it taxes its multinationals if they are to stay competitive in the global economy

Apple denies using ‘tax gimmicks’

The maker of iPhones and iPads seeks to pre-empt accusations of tax avoidance from an influential US Senate committee

Dell seeks clarity on Icahn takeover bid

The rival offer contained no details of how a deal would be financed, and has been with scepticism by many people close to the deal

Yahoo vows not to ‘screw up’ Tumblr

Some users of the blogging site expressed dismay about the takeover and have started moving their blogs to rival platforms such as WordPress

Tax is not Apple’s biggest worry

The tech group’s main problems, globally, are slowing growth in iPhone sales and shrinking margins across its line-up. But it has rebooted before

Dublin cut tax burden after US lobbying

Changes to Ireland’s tax code in 2010 introduced as part of a suite of incentives to boost attractiveness as a location for intellectual property

India IT groups struggle to woo China

Attempts to win outsourcing deals have proven tough because costs in China are more or less on a par with India for IT services

SoftBank grants Sprint disclosure waiver

Japanese group to allow mobile phone carrier to disclose non-public information to rival bidder Dish – details that would help it develop counter-offer

Mayer out to rewrite Yahoo’s history

Yahoo compared its Tumblr purchase to Facebook takeover of Instagram last year and Google’s YouTube deal in 2005

Backlash blamed for woes at Russia’s ‘Silicon Valley’

The future of Kremlin-sponsored technopark Skolkovo, which hosts the world’s leading science and technology companies, is being questioned

Tumblr founder pockets millions from deal

David Karp, who dropped out of high school, taught himself HTML when he was 11 and launched Tumblr from his mother’s apartment when he was 21

Yahoo buys start-up Tumblr for $1.1bn

Tumblr, launched in 2007, has married short-form blogging with social media sharing to create a service but its growth rate has slowed this year

Yahoo: Tumblr is not enough

Internet pioneer remains stuck with a middling strategy and needs more transformative deal if it is to successfully break into the tech A-List again

Ex-employee set to reveal Google’s tax plans

David Cameron will meet Eric Schmidt, Google’s executive chairman, at the quarterly meeting of Business Advisory Group in Downing Street on Monday

Apple faces grilling over US tax rate

Group’s tax planning is likely to come under the microscope when Tim Cook, chief executive, faces Senate committee investigating shifting of profits to low-tax countries

China: More crooks than patriots

While outsiders accuse Beijing of running a slick army of official hackers, a greater danger is posed by legions of online criminals that the state is ill-equipped to police

Week in review, May 18

Tony Hayward returns from the depths; Tata Steel writedown; Google turns up the challenge;

UBS bankers raise concerns about chat groups

Swiss institution warns staff to avoid putting information about clients on external platforms after senior employees raised concerns about Bloomberg

Companies see innovation without results

Despite increased investment in innovation, only 18 per cent of executives believe their company’s innovation efforts deliver a competitive advantage

Tencent: phone company killer

China’s version of Facebook, MSN Messenger, Zynga and Blizzard Entertainment all rolled into one is annoying the country’s big mobile phone operators

Google: $900 breached

The interesting question now is not whether they can breach $1,000 but rather what keeps them from the fate of Apple’s shares

Yahoo spared $2.7bn Mexican damages

A Mexican court has overturned an earlier ruling in a contract dispute in which $2.75bn in damages against Yahoo was awarded to former partners

Dell earnings fall short of expectations

Michael Dell’s $24.4bn buyout bid with the Silver Lake private equity group comes as PC demand continues to show a sharp decline

VC backing gets smart watch ticking

After being turned down last year, Pebble has received $15m in new VC backing, as hardware start-ups are find new favour among investors

LulzSec hackers jailed for cyber attacks

Group launched successful attacks on the CIA, FBI and Sony from their bedrooms, stealing credit card data and crippling leading websites