What Happened?

Shares of network testing solutions company Viavi Solutions (NASDAQ: VIAV) jumped 6.3% in the afternoon session after the company announced the DCX 700 tier 1 optical loss test set, a new product for testing up to 24 fibers at the same time. 

The product was designed to meet the fast-evolving needs of data centers by making multifiber certification simpler and faster in high-density fiber environments. This announcement added to recent positive momentum for the company, which previously reported a strong performance for the second quarter of fiscal year 2026. 

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What Is The Market Telling Us

Viavi Solutions’s shares are somewhat volatile and have had 13 moves greater than 5% over the last year. In that context, today’s move indicates the market considers this news meaningful but not something that would fundamentally change its perception of the business.

The previous big move we wrote about was 4 days ago when the stock gained 3.9% on the news that the U.S. Supreme Court struck down tariffs imposed by the Trump administration, a move expected to lower costs for manufacturers. In a 6-3 decision, the court ruled that the administration's use of the International Emergency Economic Powers Act of 1977 to justify the tariffs was not applicable. The removal of these tariffs is expected to reduce the cost of imported parts, materials, and equipment, which are crucial inputs for many U.S.-based manufacturing companies. Economists suggest this will alleviate budget pressures on these firms and could also reduce broader inflation concerns, potentially paving the way for accelerated interest rate cuts by the central bank. The ruling is seen as particularly beneficial for small and medium-sized businesses, which have shouldered much of the financial burden from the import duties.

Viavi Solutions is up 60.4% since the beginning of the year, and at $29.12 per share, has set a new 52-week high. Investors who bought $1,000 worth of Viavi Solutions’s shares 5 years ago would now be looking at an investment worth $1,719.

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