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A federal judge has blocked a $20 billion would-be merger between grocery chains Kroger and Albertsons.

And in the wake of the killing of the United Healthcare CEO, health insurance companies continue to face a wave of anger from many of their own customers.

This incident has really unleashed online what many in the industry feel to be just a new level of hostility.

Obviously, there's always been some frustration, but now you're seeing sort of threats of violence and people really heroizing the suspect in this shooting for killing a very prominent executive.

Plus, why some startups are turning to tender offers as IPOs have lost their sheen.

It's Tuesday, December 10th.

I'm Alex Oslo for the Wall Street Journal.

This is the PM edition of What's News, the top headlines and business stories that moved the world today.

A federal judge blocked Kroger supermarket from acquiring Albertsons, siding with Biden administration antitrust enforcers who said the $20 billion merger would erode competition and

raise prices for consumers. U.S. District Judge Adrian Nelson agreed with the Federal Trade

Commission's argument that Kroger

would become the dominant player in traditional supermarkets, if allowed to add nearly 2,000

stores by taking over Albertson's its smaller rival. Nelson rejected the company's counterargument

that selling 579 stores to CNS wholesale grocers would replace the lost competition.

And we're exclusively reporting that Walgreens

is in talks to sell itself to private equity firm Sycamore Partners. According to people

familiar with the matter, the deal, should it go through, could be completed early next year.

And it would take the pharmacy chain off the public market, where its shares have been slipping

for nearly a decade.

Retail pharmacy has long been a rough business. Walgreens and its closest peer, CVS Health,

...