Investors are increasingly focusing on companies poised to benefit from the artificial intelligence (AI) boom, as evidenced by a significant rally in European chip and electrical equipment makers’ shares. On Wednesday, these stocks surged, buoyed by strong earnings reports and a notable uptick in their U.S. counterparts. The rally appears to reflect growing confidence in the AI-driven market expansion.
Notably, computer chip equipment maker ASM International saw its shares soar 9 percent to a new all-time high, after providing a sales forecast for the second quarter that exceeded market expectations. Analysts attributed this surge to robust demand driven by AI applications.
In a similar vein, Swiss engineering giant ABB raised its full-year outlook, citing booming demand from data centers and other sectors within its electrification business. This optimism allowed its shares to also reach record levels, underscoring the company’s resilience amid heightened uncertainties surrounding geopolitical issues, such as the ongoing conflict in Iran.
The rally in European semiconductor stocks mirrors the performance of the Philadelphia SOX index, the U.S. benchmark for the sector, which has seen a remarkable 15 consecutive sessions of gains—the longest winning streak since at least 2014. During this period, the index has risen by 35 percent, marking its strongest performance in nearly 24 years.
According to Barclays, a prolonged phase of weak investment in developed markets is gradually being replaced by an AI-led resurgence that is stimulating demand for semiconductors and related infrastructure. The bank anticipates that investment growth will accelerate from 2026 as the AI build-out gains momentum, coinciding with increased spending on defense, energy security, and supply-chain resilience.
“While AI spending has lifted U.S. corporate capex cycles higher, investments are yet to pick up meaningfully in Europe. We think the U.S.-Iran conflict should add further impetus to the theme,” noted Barclays strategist Emmanuel Cau.
German chipmakers and suppliers, including Aixtron, Infineon, and Siltronic, reported gains between 2.2 percent and 3.1 percent, while major players like ASML, STMicroelectronics, and BESI saw their stocks rise by 1.5 percent to 2.3 percent. ASML, the world’s largest supplier of chipmaking tools, recently reported stronger-than-expected earnings, prompting the company to raise its revenue outlook for 2026 amid increasing demand fueled by AI advancements.
In the broader engineering and electrical equipment sector, Schneider Electric and Legrand also benefitted, with their shares climbing 1.5 percent and 2 percent, respectively. The overall European tech index rose by 1.2 percent, making it one of the best performers on the wider STOXX 600.
As investment in AI continues to reshape the landscape, companies across Europe are likely to remain in the spotlight. The increasing focus on technological advancements and the corresponding demand for infrastructure suggest a promising trajectory for both investors and firms within this sector.
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