Google suffers shortfall in paid clicks

Growth slows in desktop search business

Apple Pay revives mobile wallet drive

Google and PayPal race to catch up with payments app

Alibaba slams regulator’s critical report

Ecommerce group’s shares slide 10% as revenue misses forecasts

Samsung smartphone unit loses ascendancy

Chip arm is South Korean group’s main profit generator

LG hurt by smartphone competition

Fourth-quarter earnings weaker than expected

Amazon profit offers relief to investors

Ecommerce group’s investments lift Prime membership by 53%

Amazon: ready for prime time

Shareholders wanted profit. Jeff Bezos got the message

Spotify hires Goldman to raise near $500m

Funding round could value streaming company at $7bn

Comcast-TWC $45bn deal faces new hurdle

Broadband redefinition makes cable companies look more dominant

Nokia: nice and easy?

Although company has found life after handsets, it has yet to convince investors

Mutual gain that blights science industry

Low-level corruption is disturbingly common in health and medicine, writes Anjana Ahuja

Camera drones: no-frills flying eyes

Low price makes aerial photography available to novices who want to practise manoeuvres

China link boosts UK engineering group

Yongtai investment drives development at Covpress

Defending the free market in Davos

Samsung mobile revenues tumble

S Korean tech group sales contract sharply in final quarter of 2014

Earnings and costs rise for Facebook

World’s largest social network grows to 1.4bn users

Amazon launch lands in rivals’ mailbox

New email and calendar service challenges Google and Microsoft

Chipmaker Qualcomm hit by Apple surge

Company cuts outlook as sales of other smartphone makers are dented

How does Apple top a record quarter?

Company now must live up to its own raised expectations

Alibaba had little warning of Yahoo split

Chinese group unclear how to respond to Marissa Mayer’s plan

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