To the delight of copy editors everywhere, Wal-Mart Stores is dropping the hyphenation come Feb. 1 and will simply be what the signs in more than 11,700 parking lots around the world say it is: Walmart. Of more significance than standardizing the spelling of the brand moniker, however, is company's decision to jettison "Stores" altogether.

Cineworld Group, a London-based public company that traces its origins to a single screen in Israel in 1929 and is now operated by third-generation brothers - CEO Mooky Greidinger and his deputy, Israel - is acquiring Regal Entertainment Group, the U.S. chain of 561 movie theaters controlled since 2001 by billionaire Philip F. Anschutz.

The Apple Heart Study app, which launched last week in collaboration with the Stanford University School of Medicine, is the latest indication that the face of medicine is increasingly digital and will be monitoring our every move - and variation from the norm - with the ardency of a helicopter parent. It's also a huge business opportunity just entering its adolescence.

After weeks of negotiations, CVS Health announced yesterday that it is buying Aetna, the health insurance giant based in Hartford, Conn., for $69 billion in cash and stock in a deal CVS CEO Larry J. Merlo claims "will remake the consumer health care experience."

Alexa is going to work. Amazon Web Services yesterday introduced Alexa for Business at the company's annual re:Invent conference in Las Vegas and in a blog post, promised that it will enable workers to be "more productive and organized on both personal and shared Echo devices."