Tower Semiconductor Stock Soars 8% as AI Optical Chip Shipments Begin, Barclays Sees $310 Upside

Tower Semiconductor Launches High-Volume AI Chip Shipments

Tower Semiconductor1

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stock climbed 8% Thursday after the chipmaker announced it has begun high-volume shipments of laser-integrated optical engine chips designed for AI infrastructure. The move positions Tower Semiconductor at the forefront of the silicon photonics market, addressing the escalating demand for faster, more energy-efficient optical connections in AI data centers. Trading at $218.03, the stock outpaced the broader market, with the Nasdaq gaining 1.45% and the S&P 500 rising 0.91% on the same day.

The announcement comes as Tower Semiconductor and NewPhotonics jointly confirmed shipments of laser-integrated, serviceable photonic integrated circuits targeting AI-driven connectivity markets1

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. Current production supports data rates from 800G to 1.6T, with plans for volume production of 6.4T solutions. Shipments of NewPhotonics' NPC505 chipsets are expected to begin in the first half of 2027, signaling a roadmap for sustained growth in silicon photonics integrated circuits.

Technology Behind the Surge: PH18DA Platform

The products leverage Tower Semiconductor's PH18DA silicon photonics platform, which integrates lasers, optical amplifiers, modulators, and photodetectors on a single photonic chip1

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. This approach reduces manufacturing complexity while improving efficiency and reliability—critical factors as AI data centers scale to handle massive computational workloads. The technology represents a significant advancement in energy-efficient optical connections, a key requirement as AI infrastructure expands globally.

Barclays2

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analyst Simon Coles emphasized that Tower Semiconductor holds leading market share in pluggable products and process performance, built on two decades of ecosystem development. The firm expects optics to become one of the fastest-growing semiconductor end markets as connectivity for artificial intelligence sees increasing demand. LightCounting projects Ethernet units will grow at a 24% compound annual growth rate from 2026 to 2031, with Barclays anticipating even faster growth in photonic integrated circuit wafer production as die sizes expand.

Financial Backing and Revenue Projections

Tower Semiconductor has secured approximately $300 million in prepayments2

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, which should support at least $1.3 billion of revenue in 2027. Barclays models $1.6 billion in revenue for that year and expects additional prepayments in early 2027. The firm estimates silicon photonics will constitute 62% of Tower Semiconductor's revenue by 2028, with the company reaching $500 million in silicon photonics revenue by the fourth quarter of 2027. These prepayments provide financial stability and validate customer confidence in Tower's ability to deliver on its AI infrastructure commitments.

Barclays initiated coverage with an Overweight rating and a $310 price target, based on a 30 times 2028 price-to-earnings multiple2

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. This adds to a chorus of bullish analyst sentiment. Tower Semiconductor carries a Buy consensus rating with an average price forecast of $320.40. Stifel initiated coverage with a Buy rating and a $270 price target on September 2, while Bank of America Securities initiated coverage with a Buy rating and a $367 forecast on August 7. Benchmark maintained a Buy rating and raised its forecast to $335 on May 141

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Market Position and Future Outlook

Tower Semiconductor's momentum score stands at 97.04, with quality at 94.1 and growth at 78.64, according to the Benzinga Edge scorecard1

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. However, its value score of 12.59 reflects a relatively expensive valuation, with the stock currently trading at a P/E ratio of 85.282

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. The stock has surged over 218% in the past year, though it remains well below its 52-week high of $319.94.

Technically, at $218.03, Tower Semiconductor sits 3.6% above its 20-day simple moving average of $211.09 but 3.4% below its 50-day SMA of $226.411

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. The $226.50 area represents key resistance, and a sustained move above it could strengthen the intermediate trend. The relative strength index at 51.65 suggests buying has not yet reached overextended levels, leaving room for further upside.

Watch for Tower Semiconductor's ability to execute on its 6.4T production roadmap and secure additional prepayments in early 2027. The company's success in capturing market share in AI data centers will depend on maintaining its technological edge in silicon photonics while scaling production to meet surging demand for laser-integrated optical engine chips.