On June 11, Tower Semiconductor rose 5.7% in regular trading, trading at $246.45/share, with trading volume of $68.80 million. The stock continued to recover as the broader semiconductor sector rallied and sentiment improved following the debunking of silicon photonics yield concerns.

On the news front, the semiconductor sector showed broad-based strength, with peers Intel up 7.79%, Marvell Technology up 3.85%, Micron Technology up 1.27%, Broadcom up 0.81%, and NVIDIA up 0.72%, providing a favorable backdrop for Tower Semiconductor. Additionally, prior market rumors regarding process parameter deviations and below-expectation yields at the Fab 9 facility for 1.6T silicon photonics chips were formally characterized as maliciously fabricated false information by core customer Innolight. Tower Semiconductor also responded that process tuning is standard industry practice and that 800G silicon photonics chip yields have been adjusted to a relatively high level. The continued digestion of the debunking effect is gradually restoring market confidence, resonating with sector strength to support the stock's rebound.

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