Kevin Kelleher

The technology billionaire runs two high-profile, innovative companies — but his rough summer shows he may be stretched too thin

Execs are under pressure as investors, customers and pilots vent frustrations

Tesla reported a nearly $300 million loss, but the stock price is holding steady

The effects of the $35 billion deal will be felt for years

Apple had a bad quarter. It seems as if it's about to have a few very good ones

In the retailer's war against Amazon