There are more hybrid laptops on the market than ever before. Here we test four of the latest contenders

New technology helped him to produce the manuscript without assistance, say publishers

Intel's desire to break Arm's dominance of the mobile chip market hasn't been any secret. But it is only quite recently that the City has really started to fret about it. Arm shares, flirting with an £11 close in May, have since lost almost a third of their value – a stunning fall.

Dramatic revamp of Apple's workstation desktop unveiled at WWDC 2013

11-inch and 13-inch models are lighter than the MacBook Air, but build quality suffers

In reaction to the news that rival Intel would be supplying the processors for Samsung's new Galaxy tablets shares in the Cambridge-based chip-designers ARM Holdings fell by more than 7 per cent yesterday, temporarily knocking £1bn of the group's £13.6bn market capitalisation,.

Intel have released details of their new Haswell CPUs - the latest generation of their Core range – emphasing the chip’s low power consumption, rather than its more minimal increases in processing power.

It also has a split personality on operating systems - running Windows 8 and Android Jelly Bean

Government defends itself against accusations of being Europe's onshore tax haven

It’s been a surprise hit in the US, and not just because it has A-list narrators...

It's either an overly bulky tablet or a fiddly laptop. Neither is ideal

News out of Las Vegas doesn't usually rock the benchmark index in London, but its annual Consumer Electronics Show this week has been perking up Arm Holdings' share price, it would seem. The microchip designer was top of the tree and its share price put on more than 4 per cent today, closing up 36.5p to 863.5p following a stream of updates this week, which included a new licensing agreement with Broadcom.

If nothing else the questioning of the country’s top taxperson was a study in exasperation today. Understandably, the Commons Public Accounts Committee was eager, desperate even, to find out from Lin Homer, HMRC’s chief executive, how it was that Starbucks managed to pay a trifling £8.6million in corporation tax on UK sales of - wait for it - £398million.

The Independent on Sunday: Recession ends, but recovery to be slowest for 100 years