By Sarina Isaacs

Viavi shares climbed after the company surpassed fiscal first-quarter analyst views and posted guidance that comfortably cleared expectations for the current quarter.

The stock was recently up 23% at $17.18 on Thursday, and earlier reached its 52-week high of $17.43. Its year-to-date gain recently stood at about 70%.

Viavi late Wednesday reported a loss of $21.4 million for the quarter ended Sept. 27, or 10 cents a share, compared with its year-earlier loss of $1.8 million, or 1 cent a share.

On an adjusted basis, the provider of network solutions for telecom, cloud, military and aerospace, posted a profit of 15 cents a share, better than analyst expectations for 13 cents a share, according to FactSet.

Revenue rose 26% to $299.1 million, surpassing analyst estimates of $294.4 million.

Chief Executive Oleg Khaykin said the second quarter saw strong demand out of the data-center ecosystem and cited aerospace and defense customers as the primary driver of the results.

For the current quarter, the Chandler, Ariz., company said it expects earnings of 18 cents to 20 cents a share on revenue of between $360 million and $370 million. Analysts had sought an adjusted profit of 15 cents a share on revenue of $301.8 million.

Write to Sarina Isaacs at sarina.isaacs@wsj.com

(END) Dow Jones Newswires

October 30, 2025 15:18 ET (19:18 GMT)

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