Articles by Erin Slifka

Federal prosecutors and securities regulators are investigating whether Tesla misled consumers and investors about how its advanced driver-assistance system performed.

The oil giant said it plans to boost its dividend and buy back another $4 billion of its shares in the coming months, as it continues to benefit from strong demand for natural gas in difficult-to-navigate markets.

The Facebook parent’s shares fell in off-hours trading after the company posted its second revenue decline in a row as it wrestles with a vortex of challenging business conditions.

The elevation in title formalizes the all-encompassing role he has played for years at South Korea’s largest business conglomerate.

It is the latest sign that the $44 billion deal for the social-media company is on track to close by the end of the week.

Problems plagued development of its HoloLens augmented reality headset, a ring-shaped computer worn like a crown that displays digital information on attached goggles. “We had the opportunity to own this market,” said a former director on the team.

A sharp decline in personal computer sales eroded demand for the software giant’s Windows software, counteracting some of the demand for its cloud and other businesses serving companies.

Google reported its fifth consecutive quarter of slowing sales growth as weakness in the economy continued to damp online advertising spending. Shares fell more than 6% in after-hours trading.