Uber faces the ‘last 1bn person market’

Taxi app is arming itself for tough fight in India against local competitor Ola

Karpelès quizzed on great bitcoin mystery

Mt Gox founder questioned on exchange’s missing digital currency

Former Mt Gox chief arrested in Japan

Karpelès is suspected of falsifying data at bitcoin exchange

Uber passes Xiaomi in $50bn funding round

$1bn raised to help group compete in India and China

Small-cap Week, August 1

Xchanging, Stadium, Kromek, and Clipper featured

Twitter: the start-up that never grew up

Discord reaches a new level at the tech company as it debates exactly what its purpose is

Week in Review

Week in Review, August 1

Deutsche Bank, Microsoft, oil majors and Microsoft featured

US activist builds stake in Rolls-Royce

ValueAct investment likely to add to pressure on aerospace group

Sharp to quit North America TV market

Struggling Japanese group to sell Mexico unit to China’s Hisense

Uber to plough $1bn into India drive

Ride-hailing app company to ramp up efforts in growing market

Amazon pays $250m for ex-Top Gear trio

Jeremy Clarkson, Richard Hammond and James May in new venture

Cyber insecurity: Going dark

US tech companies are shielding more data from government eyes

Google disobeys French privacy watchdog

Paris has demanded that technology group implement ECJ ruling worldwide rather than just in Europe

Fortunes diverge at Samsung units

Semiconductor division benefits while smartphones struggle

Baidu looks to restore confidence

Chinese search engine unveils $1bn buyback after share slump

HBO could learn from Netflix’s ambitions

Streaming services offer growth potential for rival companies

Clarkson aims to serve up a Prime cut

Car show on streaming service will seek to capture the spirit of his BBC offering

Yacht rental start-up and Greek headwinds

Incrediblue views vessels as underused assets

Nintendo: get splatting

The real earnings bonus will be a successful launch on smartphones

Image sensors help Sony profits soar

Net profit of Y82.44bn is double analysts’ forecasts for the quarter