Shares in Tower Semiconductor were up 17% ahead of the bell on Wall Street after it reported first-quarter adjusted earnings of $0.65 per share on revenue of $413.6 million, beating consensus of $0.55 per share and sending shares up 14% in pre-market trading on Wednesday.
The numbers are good. The guidance is better. Tower forecast second-quarter revenue of approximately $455 million, with a range of 5% either side. The midpoint would represent a company record and comfortably exceeds the $436 million analysts had expected. Operating profit nearly doubled year on year to $64.6 million.
Tower is not a household name, even within the semiconductor industry. It does not design chips for smartphones or AI accelerators. It is a specialty foundry, a contract manufacturer that fabricates chips other companies have designed, focusing on analogue and mixed-signal semiconductors: radio frequency components, power management chips, sensors and silicon photonics.
These are the chips that do not make headlines but make everything else work. A radio frequency chip in a data centre switch handles the signal processing that moves data between servers. A power management chip regulates voltage inside a GPU module. An image sensor captures the visual data that feeds an autonomous driving system. None of them require the cutting-edge three-nanometre manufacturing processes that dominate coverage of TSMC and Samsung. They are built on mature process nodes, typically 45 nanometres and above, where Tower has spent decades building expertise.
The AI infrastructure boom has turned this niche into a growth market. As data centres expand and networking speeds increase from 400 gigabits to 800 gigabits and beyond, demand for high-performance radio frequency and power management components has surged. Tower's silicon germanium and silicon photonics capabilities are directly relevant to the optical transceivers and high-speed interconnects that link thousands of GPUs inside AI clusters.
Wedbush, which covers Tower, noted ahead of the results that demand trends across the mature foundry segment were running stronger than anticipated in the first quarter, with peers generally surpassing initial forecasts. Tower's management has a reputation for conservative guidance, which makes the record second-quarter outlook particularly notable.
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The stock has risen more than 50% over the past twelve months and trades at roughly 25 times forward earnings, a discount to TSMC's comparable multiple despite delivering faster earnings growth from a smaller base.
For investors focused on the AI hardware supply chain, Tower is a reminder that the infrastructure buildout extends far beyond GPUs. Every AI data centre requires thousands of supporting components, from power regulation to signal processing to optical interconnection, and the companies that manufacture those components are benefiting from the same capital expenditure cycle that is driving Nvidia's revenue to record levels.
The recap
- Tower Semiconductor beats expectations for first quarter results
- Adjusted earnings $0.65 per share on $413.6 million sales
- Company issues upbeat outlook for the second quarter
