Dollar General is testing same-day delivery to customers’ homes as the deep discounter tries to fend off fiercer competition with Walmart.

Waymo is setting its sights on its next location: the Sunshine State.

Bitcoin’s meteoric run may have gotten a little extra push from an unlikely source: Federal Reserve Chair Jerome Powell.

Several airline executives appeared at a tense congressional hearing Wednesday, where Senators from both parties grilled them over allegations of gouging customers when it comes to “junk fees” for carry-on luggage, seats, and more. NBC’s Tom Costello reports, including how airlines are fighting back.

Brian Thompson, the CEO of UnitedHealthcare, was shot and killed by an assailant in midtown Manhattan in what police called a “brazen targeted attack.” Officials said the the suspect shot Thompson in the back and leg, then fled on foot and on an electric bike into Central Park. Police launched a manhunt, asked for the public’s help and offered a $10,000 reward for information leading to the suspect. NBC News’ Stephanie Gosk reports.

The U.S. population experienced an estimated 151 million excess mental health disorders attributable to exposure to lead from car exhaust, according to a study.

Live updates and developments on the manhunt for the suspect in the shooting death of United Healthcare CEO Brian Thompson, who was killed outside a New York City hotel.

UnitedHealthcare CEO Brian Thompson, gunned down in front of a busy New York City hotel, didn’t travel with any personal security despite known threats against him.

Chipotle said it’s raising its menu prices by 2%, a rare direct admission about the impact that ongoing price increases in the economy are having on its finances.

Inside the majestic Notre Dame Cathedral in Paris for a close-up look at the amazing rebuilding efforts to restore it to its original glory as it prepares to reopen its doors five years after a fire engulfed the cathedral.