Microsoft warns over PC software unit

Shares fall nearly 4% after hours as shine is taken off cloud growth

Facebook tries to get personal with video ads

Analysts believe site could gain up to $1bn revenue via targeted marketing

Aveva warns oil rout to hit revenues

Almost half of software maker’s sales come from oil and gas sector

Virtual reality goes to the movies

Film-makers and Oculus explore technology’s potential at Sundance

London GDRs fall to decade low

UK market for depositary receipts hurt by Russia crisis

Andreessen to invest $58m in TransferWise

London start-up holds competitive bid process for backers

Oracle shareholders take aim at Ellison

Letter to SEC criticises chief’s ‘excessive’ remuneration

China buying more iPhones than US

Shifting power balance in smartphone market

Foreign Currency including Euros, Yen, Dollars
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Currency moves blamed for profit warnings

Competition on the rise as companies adjust to growth environment

Technology does not possess divine right

Silicon Valley needs to engage with democratic governments

Feedback on review of health tech book

Readers offer thoughts on apps aimed at optimising productivity

Small-cap Week, January 24

Monitise, Applied Graphene Materials, Gulf Keystone and Findel featured

Week in Review, January 24

Forex brokers, Microsoft, Total and Swedish jet scandal featured

The battle between capital and labour

These safeguards have been swept away. When misfortune strikes, workers are on their own

Football fans show criminals an open goal

Study finds thousands have been using the password Arsenal1

Alibaba founder Ma aims for 2bn customers

Plan to expand ecommerce platform to small businesses worldwide

Microsoft: optical Illusions

Earnings look different depending on the light

Sony seeks delay releasing full results

Japanese group tells regulators that computer systems will not be fully restored until next month

WANdisco launches $25m cash call

Tech group needs cash to tap demand for big data

Uber back on the road in New Delhi

Taxi-hailing app steps up driver scrutiny and applies for licence

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