On June 18, Tower Semiconductor rose 5.21% in regular trading, trading at $281.865/share, with turnover of approximately $90.50 million.

On the news front, Tower Semiconductor announced that it has cumulatively shipped over 5 million coherent photonic ICs in collaboration with Marvell Technology, highlighting the scalability and commercial maturity of its advanced silicon photonics platform in high-bandwidth, energy-efficient data center connectivity applications. The milestone underscores Tower's positioning as a leading specialty foundry in the photonics space.

The broader optical communication sector rallied in tandem, with Marvell Technology surging nearly 8%, Broadcom gaining over 4%, and multiple photonics names posting significant gains. Additionally, the multi-year indium phosphide epiwafer supply agreement with IQE signed earlier this month continues to reinforce Tower's silicon photonics supply chain, providing sustained fundamental support. Within the Semiconductors sector, Intel rose 7.13%, Marvell Technology rose 6.98%, Micron Technology rose 6.19%, Advanced Micro Devices rose 3.48%, and NVIDIA rose 1.56%.

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