Stocks to Watch: Dell, Block, Duolingo, Ambarella

Dow Jones
Feb 27

By Katherine Hamilton

 

Block said it would cut 40% of its workforce as artificial intelligence replaces jobs. Shares climbed 23.2% to $67.21 in after-hours trading Thursday.

Duolingo expects revenue growth to slow down as its user growth declines. The stock slumped 22% to $91.68 after the bell.

Ambarella's revenue growth forecast for the current year was lower than expected. Shares shed 13% to $61.72.

Dell Technologies recorded a jump in sales as AI demand climbs. The stock rose 10.5% to $134.20.

 

Write to Katherine Hamilton at katherine.hamilton@wsj.com

 

(END) Dow Jones Newswires

February 26, 2026 18:25 ET (23:25 GMT)

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