On September 29, Viavi Solutions rose 5.38% in regular trading, trading at approximately $42.89 per share, with turnover of $17.17 million. The rally was driven by the company's announcement of the CyberFlood CF50 platform, the industry's smallest and lightest 100G enterprise-grade all-in-one test platform.

The CF50 is purpose-built for application performance evaluation, cybersecurity validation, AI inference, and large language model testing. Together with the previously launched CF1000 targeting hyperscale enterprises, the CF50 completes the company's CyberFlood test product line, further expanding its footprint in enterprise-grade networking and AI testing markets.

The move also marks a sharp rebound from the prior session's 5.05% decline, which was pressured by concentrated insider selling following a sustained rally after the company's August earnings beat. In that quarter, Viavi reported adjusted EPS of $0.34, beating the $0.30 consensus estimate, while revenue of $443.1 million also topped the $432.6 million forecast.

Within the Communication Equipment sector, the broader group traded higher, with Lumentum up 4.97%, Applied Optoelectronics up 3.51%, Nokia up 2.09%, and Ciena up 1.87%.

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