Katherine Sullivan

Here's your Closing Bell Brief for Tuesday, February 17th.

I'm Catherine Sullivan for The Wall Street Journal.

U.S.

stocks struggled for direction today as the major indexes wavered following a long weekend.

The Nasdaq initially fell 1% before reversing course to close up a tenth of a percent.

The Dow and the S&P also ended the day up about a tenth.

Investors are increasingly worried that many companies are over-investing in artificial intelligence.

Among individual companies, Zim Integrated Shipping Services surged 25 percent.

The gains came after Hapag-Lloyd announced it's buying its competitor for $4.2 billion.

Genuine Parts shares fell 15 percent today.

The owner of Napa Auto Parts reported a quarterly loss.

It plans to separate its auto parts business from its industrial parts unit into two separate public companies.

General Mills shares dropped 7%.

The packaged food maker cut its annual sales and profit outlook due to shaky consumer sentiment.

Hyatt Hotels shares rose 2.5%.

The gain followed news that Thomas Pritzker is retiring as executive chairman of the company, citing a desire to protect the company after the release of documents detailing his association with Jeffrey Epstein and Ghislaine Maxwell.

Medtronic shares fell over 3 percent.

The medical device maker posted strong results, but warned of a potential $185 million tariff impact.

And JFB construction shares slid 43 percent.

Eric Trump, the president's son, will take an Israeli drone maker public through a merger with the Florida construction company.