Comcast Pursues Sky, Sizes Up Bigger Move for Fox Assets

Comcast has submitted a $31 billion bid to buy Sky, prompting the European pay-TV operator to drop its backing for a takeover by Fox and setting up a bidding war for the company.

A Look at WeWork’s Books: Revenue Is Doubling but Losses Are Mounting

A bond-offering document from WeWork Cos. this week provides a glimpse into the finances of one of the world’s most valuable startups, showing how the shared office company is rapidly expanding revenue—and incurring heavy losses.

Huawei Under Criminal Investigation Over Iran Sanctions

The Justice Department is probing whether Huawei violated U.S. sanctions related to Iran, opening a new avenue of scrutiny amid national-security concerns over the Chinese cellular-electronics giant.

Amazon Childproofs Echo Speakers, Adds Age-Appropriate Audio Content

An update to Echo will let owners turn on a setting that locks down certain functions, adds new controls and transforms artificially intelligent Alexa from virtual assistant to virtual nanny.

Twitter Remains Profitable as It Continues to Add Users

After 16 straight quarters of losses to start its life as a public company, the social-media company reported its second consecutive profitable quarter.

Winklevosses’ Bitcoin Exchange to Use Nasdaq Surveillance Software

Gemini, the bitcoin exchange founded by Cameron and Tyler Winklevoss, has teamed up with Nasdaq to beef up its defenses against market manipulation.

Beware the Chinese Tech IPO Rush

Several Chinese household tech names are planning to list this year. The hype already looks out of control.

Mapbox Hires Former Tesla Autopilot Designer to Rethink Driverless-Car Maps

Brennan Boblett, who helped pioneer the look of touch screen interfaces in increasingly autonomous vehicles, is joining well-funded startup Mapbox to help create digital maps for passengers in driverless cars.

Tencent Is Dangerously Close to Bear-Market Territory

Shares in the Chinese internet giant tumbled 2.5% on Wednesday, taking its total fall since its late January peak to 19%. The slide comes as global investors re-calibrate their expectations for internet and social-media stocks in the wake of Facebook’s data scandal.

Globalstar to Merge With FiberLight in $1.65 Billion Deal

Satellite provider Globalstar and landline operator FiberLight, both controlled by telecom investor Jay Monroe, plan a $1.65 billion merger meant to put unprofitable Globalstar on firmer footing as it chases new customers.