Shares of technology companies edged higher.

Dozens of websites in the U.S. and Europe briefly went dark Tuesday, victims of an internal glitch at a major cloud-service provider and the latest example of how a problem at a single player in the internet's piping can have outsize repercussions.

Two private-equity firms are buying cybersecurity company ExtraHop Networks for $900 million, as a series of recent high-profile ransomware attacks have put cybersecurity risk back in the spotlight.

Shares of Coupa Software dropped 7.4% after the company said it expected to post a loss in its 2022 fiscal year, while Marvell Technology rose 4.4% after the chip maker posted record quarterly sales.

Write to Amy Pessetto at amy.pessetto@dowjones.com

(END) Dow Jones Newswires

06-08-21 1706ET