Shares in chip maker Intel rise 4% after the firm reports profits rose 45% in the second quarter to $2.8bn, driven by stronger-than-expected PC sales to businesses.

Internet giant Yahoo reports that profit decreased by 18% to $270m after sales of digital display advertisements plunged by 24% during the period from March to June.

Apple and IBM - once bitter rivals - announce a tie-up that will see the two firms co-develop business-centric apps for the iPad and iPhone.

MPs have voted through the government's emergency legislation giving the security services access to people's phone and internet records.

The Pentagon says the F-35 combat jet - due to be used on the UK's new aircraft carriers - will not go to the Farnborough Airshow because of continuing inspections.

Google and Novartis agree to work on developing a "smart" contact lens to monitor sugar levels in the tears of diabetics.

Hundreds of suspected paedophiles, including doctors and teachers, are held as part of six-month operation led by the National Crime Agency.

Google has assembled a team to spot critical bugs and vulnerabilities - and taken on one of the world's most notorious hackers as an intern.