Mayer makes amends with Yahoo’s agitators

Alibaba spin-off buys company chief time to rejuvenate business

Apple shares touch new high

Analysts say group beat Samsung as smartphone leader last quarter

Jay-Z buys music streaming service Wimp

Rapper to pay $56m for Nordic business

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

Vow of silence amid Twitter’s outrage

When tempted to be unkind I suppress the urge to express half-ideas

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?

Company has to convince investors it has found life after handsets

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

Samsung smartphone unit loses ascendancy

Chip arm is South Korean group’s main profit generator

China link boosts UK engineering group

Yongtai investment drives development at Covpress

LG hurt by smartphone competition

Fourth-quarter earnings weaker than expected

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

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