The semiconductor sector was rattled on Friday after Samsung Electronics delivered a strong second-quarter profit but still missed elevated analyst estimates. The miss sent a tremor through chip stocks globally, dragging Aixtron’s shares down 2.79% to €43.90. The German equipment maker was not alone — Infineon also lost ground as investors grew jittery about growth signals in the industry.
Compounding the mood, market researcher IDC reported that worldwide PC shipments fell in the second quarter of 2026 for the first time in two years, adding another layer of caution. For Aixtron, the sell-off accelerated a slide that has now erased nearly 30% from the 52-week high of €62.68 reached in June.
The seven-day loss stands at 10.84%, and on a monthly basis the stock has given back 17.57%. But the longer-term picture remains eye-catching: the shares are still up 124.27% year-to-date and have gained 170.90% over the past twelve months.
The Revenue Gap That Spooks Investors
Behind the recent price action lies a fundamental disconnect that has become the central debate around Aixtron. The company’s order intake surged 30% year-on-year in the first quarter of 2026 to €171.4 million, driven largely by optoelectronics equipment for laser chips used in AI data centres. Yet revenue collapsed to €59.4 million from €112.5 million a year earlier. The order backlog swelled to €359.1 million by the end of March.
Management has set a clear testing point: second-quarter revenue is forecast at €110 million, plus or minus €10 million. A print well outside that range would reignite valuation concerns, while confirmation would cast the current correction as a breather within an intact uptrend.
The Bull Case Rests on Structural AI Demand
Chief executive Felix Grawert argues that the optoelectronics order boom is no one-off. Nearly 70% of first-quarter order intake came from that segment, which he ties directly to structural demand from AI infrastructure buildout. That view is backed by upgraded guidance: Aixtron now expects full-year 2026 revenue of €530 million to €590 million, about €40 million higher than previous guidance, with an EBIT margin of 17% to 20%.
Should investors sell immediately? Or is it worth buying Aixtron?
The balance sheet provides comfort. Aixtron carries zero debt and negative net debt, giving it ample breathing room to weather the current revenue trough without refinancing pressure. Chart technicians point out that the stock still trades 42.51% above its 200-day moving average, and the relative strength index at 37.9 signals neutral to slightly oversold conditions rather than a full-blown panic.
Bearish Risks: Core Weakness and Expensive Valuation
The flip side is just as compelling. Aixtron’s legacy power-electronics business remains under structural pressure. Demand for silicon-carbide (SiC) deposition tools stayed weak in the first quarter, while gallium-nitride (GaN) equipment stabilised only at low levels. The issue is market overcapacity, and management does not expect a recovery before the second half of 2026 at the earliest — possibly not until 2027.
The first-quarter results already showed the strain: an EBIT loss of roughly €22 million, versus a profit a year earlier. If that weakness persists into the second quarter, the valuation debate will intensify. At a forward price-to-earnings ratio of 67.4 for 2026, Aixtron trades about 67% above the median of its semiconductor-equipment peer group.
Analyst sentiment is split. While some remain bullish, Barclays recently reaffirmed a price target well below the current share price. The stock’s annualised 30-day volatility stands at 83.70%, underscoring extreme swings, and the shares now sit 17.10% below their 50-day moving average of €52.96.
The Test Date: 30 July
All eyes turn to 30 July 2026, when Aixtron is expected to publish its half-year report. The earnings call will be scrutinised for updates on SiC and GaN demand, as well as confirmation that the optoelectronics order momentum is sustained.
For now, the stock is caught in a corridor between the 50-day average at €52.96 and the 100-day average at €43.70 — a zone that could support a volatile consolidation if the order conversion story holds. But any stumble in turning that €359 million backlog into recognised revenue could bring the valuation critics back with full force. With the shares still up 170% over twelve months, the margin for error is thin.
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