Chris Isidore

Six Flags shares sank sharply Tuesday to their lowest level since 2009 after a rollercoaster rider tragically fell to his death at a Georgia park. But the company was under legal and financial pressure long before this week’s deadly incident.

Chances are the last time you listened to a traditional radio was in a car.

Why doesn’t high speed rail work in America?

John Yeley has spent the last 26 years working on his farm, which his family has owned since 1852.

Chipmaker Nvidia said Monday it is introducing a new software platform to address concerns about artificial intelligence agents that have “gone rogue” and operated outside the control of humans.

Warren Buffett, who ended his decades-long tenure as CEO of Berkshire Hathaway at the end of last year, is giving up the chairman post he has held since 1970.

President Donald Trump wants to reverse the decades-long decline in the number of US refineries in operation, which he believes is key to lowering gas prices.

The price of diesel, the workhorse fuel that powers the world economy, topped $6 a gallon on Friday for the first time ever.

Linda French was hoping to visit her elderly brother, who is recovering from hip surgery, and her little great-nieces and nephews in New York this summer. But stubbornly high gas prices left her unable to afford to drive hundreds of miles from her Jonesborough, Tennessee home. Meanwhile, flying is also out of reach — the flight she took in March more than doubled in price just a few months later.

Nothing is more important to Tesla than its ambitious plan for self-driving “robotaxis.” But even as it hosts an event for its Cybercab service Thursday, it still has a long way to catch up to the competition in an industry where few have made any money at all.