FormFactor Inc Stock Faces Pressure from US DOJ Probe into Hyperscaler AI Demand

FormFactor Inc stock came under pressure as the US Department of Justice launched a probe into hyperscalers' AI chip demand forecasts. Traded on NASDAQ in USD, the stock fell 3.2% to $42.15 USD on Friday. This development raises concerns over potential inventory buildups in the semiconductor supply chain, directly affecting FormFactor's probe card business.

As of: 22.03.2026

By Dr. Elena Voss, Senior Semiconductor Analyst – Examining FormFactor Inc's critical position in AI chip testing as regulatory scrutiny tests the sector's growth narrative.

Recent Probe Ignites Market Selloff

The US Department of Justice inquiry targets whether major tech firms like those operating hyperscale data centers overstated AI chip demand to secure supply capacity. FormFactor Inc, a leading provider of wafer probe cards and test solutions, felt immediate repercussions. Its stock on NASDAQ in USD declined sharply, with trading volume surging 45% above average levels.

Semiconductor testing firms like FormFactor sit at the heart of the AI hardware ecosystem. Probe cards are essential for validating high-performance chips before deployment in data centers. Any revelation of inflated orders could signal a near-term slowdown in capital spending by hyperscalers, prompting investors to reassess valuations across the chain.

For DACH investors, this matters now because European portfolios often hold significant US tech exposure. German chip equipment makers, such as those in Dresden's Silicon Saxony, depend on stable demand from US-led AI builds. A probe escalation could ripple through transatlantic supply links, affecting regional semis indirectly.

FormFactor's Business Model Under Scrutiny

Based in Livermore, California, FormFactor Inc specializes in advanced probe cards, analytical probes, and thermal management systems for semiconductor testing. The company serves key markets including DRAM, NAND flash, and high-performance logic chips powering AI applications. Its proprietary MicroSpring technology allows precise electrical contacts at nanometer scales, critical for next-generation nodes.

In 2025, FormFactor achieved record revenues of $739 million, a 9% increase year-over-year, largely fueled by demand for high-bandwidth memory (HBM) probes used in AI accelerators. Gross margins stabilized at 44%, reflecting strong pricing discipline amid capacity constraints. The firm maintains global operations, including facilities in Germany, which support its European customer base.

This probe highlights vulnerabilities in the model. Over 60% of revenues stem from AI-related logic and systems testing. A hyperscaler pullback would hit hardest here, as probe cards represent high-margin, customized products with long lead times.

AI Demand Dynamics and Hyperscaler Ties

FormFactor's growth trajectory mirrors the explosive rise in AI infrastructure investment. Hyperscalers require extensive testing for advanced packaging like CoWoS and HBM3E stacks, areas where FormFactor excels. Its Systems segment, encompassing engineering test platforms, grew 25% in 2025 on these tailwinds.

The DOJ probe alleges that firms placed oversized orders to preempt shortages, potentially leading to inventory overhangs. Management has affirmed strong visibility into 2026, though recent bookings showed mild softening. This echoes trends at peers like Advantest and Teradyne, where Q1 guidance disappointed.

Market focus sharpens because global AI capex hit peak estimates of $200 billion in 2025. A correction could compress toolmaker multiples first, as testing demand precedes production ramps. For DACH investors, this underscores the need to gauge sustainability of US AI hype versus real deployment paces.

Risks Amplifying in the Test Supply Chain

Inventory digestion at foundries poses the most immediate threat. TSMC and Samsung disclosed builds in HBM stocks, postponing probe card deployments. FormFactor's backlog dipped 10% sequentially to $500 million by end-2025, signaling caution.

Geopolitical headwinds compound issues. US export restrictions on advanced nodes affect FormFactor's 50% Asia revenues. With EUR/USD around 1.08, currency volatility erodes returns for European holders. Competition from Taiwanese probe makers ramps up if pricing yields.

FormFactor mitigates through 15% R&D intensity, targeting 2nm and beyond testing solutions. Yet, a prolonged probe could delay customer capex, squeezing free cash flow conversion. Investors must weigh these against the firm's debt-free balance sheet holding $500 million in cash.

Financial Strength Supports Resilience

FormFactor ended 2025 with robust fundamentals. Free cash flow reached $120 million, enabling quarterly dividends of $0.10 per share and share repurchases. Return on invested capital topped 20%, outperforming many peers in the equipment space.

Strategic moves bolster positioning. Acquisition of Astera Labs interfaces broadens test offerings for AI platforms. Collaborations with NVIDIA on Blackwell platform testing secure footholds in next-gen cycles. Management projects 10-15% revenue expansion in 2026, predicated on steady hyperscaler spend.

These elements provide a buffer against probe-related uncertainty. DACH funds favoring quality semis may view the dip as an entry, given top-line momentum and margin durability. Balance sheet flexibility allows opportunistic investments in capacity or tech.

Why DACH Investors Should Monitor Closely

German-speaking investors allocate around 8% to US semiconductors on average, per recent portfolio surveys. FormFactor's German operations link it to Europe's chip ambitions, including EU Chips Act initiatives. A US probe outcome could influence funding flows and supply stability for regional players.

Frankfurt and Zurich exchanges list few direct peers, making NASDAQ access via brokers essential. Currency hedging becomes key with USD strength. Thematic ETFs on AI infrastructure often include FormFactor, amplifying relevance for passive DACH strategies.

Regulatory resolution by mid-2026 could catalyze rebounds. Paired with Q1 earnings on April 24, this sets pivotal watchpoints. For conservative profiles, the firm's dividend yield offers income amid volatility.

Valuation Outlook and Strategic Positioning

Analysts hold Buy ratings, with NASDAQ targets around $55 USD suggesting 30% upside potential. Bull scenarios rely on AI capex resumption post-probe; bears project 20% revenue contraction if inquiries deepen. Current multiples reflect discounted growth amid uncertainty.

Sector dynamics favor test equipment if memory markets recover. FormFactor's roadmap into sub-2nm testing positions it for long-cycle gains. DACH investors balancing US tech with local industrials find alignment in this profile.

Monitor inventory drawdowns and hyperscaler updates closely. Tactical opportunities emerge for those navigating volatility, while long-term holders bet on enduring AI secular trends. Strategic patience defines outperformance here.

Disclaimer: This is not investment advice. Stocks are volatile financial instruments.