DoorDash More Than Doubles Valuation to $4 Billion

DoorDash said it raised $250 million in a round of funding that values the prepared food-delivery startup at $4 billion, more than doubling its valuation for the second time in five months.

Tesla Was Under Regulator Scrutiny Prior to Musk’s Tweet

The SEC began investigating last year whether Tesla misled investors about its Model 3 car production problems and subpoenaed a parts supplier.

Judge Rejects Large Parts of FTC Suit Against DirecTV

A federal judge rejected large parts of a nearly $4 billion government lawsuit alleging satellite-TV giant DirecTV engaged in deceptive advertising.

Netflix Signs Up ‘Black-ish’ Creator Kenya Barris

Netflix said it has signed writer and producer Kenya Barris, creator of ABC’s “black-ish,” to an exclusive multiyear deal, the latest addition to its star-studded lineup of creative talent.

FDA Approves Teva’s Generic Version of EpiPen Injector

The Food and Drug Administration approved the first generic version from a rival company of Mylan’s EpiPen injector device for life-threatening allergic reactions.

Are We in the Last Days of Diesel?

The 2018 Range Rover HSE Td6 may already be doomed. As diesel sales free-fall and European cities ban diesel vehicles, Dan Neil wonders what’s next for the world’s polluting dinosaurs.

Tesla Model 3’s Profitability May Be Fleeting, UBS Report Says

Tesla is making a profit of more than $3,000 on each sale of the current low-price version of its Model 3 sedan, UBS estimates, but would lose nearly twice that amount if the vehicle sells at a long-promised price of $35,000.

AMD Set to Crack Intel’s Lock on Data Centers

Chip maker Advanced Micro Devices is expected to cut into Intel’s stranglehold on the data-center business in the coming year.

Flight-Simulator Enthusiasts Confident of Real-World Skills

Virtual-flight hobbyists are in the spotlight after a man who stole an aircraft last week near Seattle said he learned to fly with “videogames.’’

3 Super-Fun Experiments for Pint-size Scientists

Kate Biberdorf—aka ‘Kate the Chemist’—shares three awe-inspiring, safe, occasionally yummy home experiments for curious kids.