On May 25, Italy's FTSE MIB index surged by up to 1.2% intraday, reaching 50,121.2 points, officially surpassing the historical closing high set during the dot-com bubble in 2000. The intraday peak even touched 50,114 points before gains moderated. This milestone represents more than just a numerical breakthrough. As the last major European index yet to reclaim its early-century peak, the Italian market's achievement marks the final piece in the post-pandemic collective revival of European equities. This year, the UK's FTSE 100, Euro Stoxx 50, France's CAC 40, the pan-European STOXX 600, and Germany's DAX have all hit new highs, while Spain's IBEX 35 returned to its historical peak in October last year. Italy had remained the sole laggard until now, filling that gap.
The FTSE MIB index (formerly the S&P/MIB index), which replaced the earlier MIB-30 index in the early 2000s with historical data back to 1997, set its previous record in March 2000 at the peak of the dot-com bubble. Subsequently, the burst of the internet bubble, the 2008 global financial crisis, and the 2010-2011 Eurozone sovereign debt crisis dealt successive blows to Italy's capital markets, making it one of the last major European markets to recover its losses. This 26-year journey to breakeven serves as a capital markets footnote to Italy's structural economic challenges over more than two decades. Thus, the breakthrough on May 25, 2026, is not merely a technical refresh of a closing high but carries profound symbolic significance.
**Twin Engines: AI Chips and Energy Stocks Propel Gains** After three consecutive years of gains, the Italian stock market has accumulated an approximately 11% increase year-to-date in 2026. This time, propelling the index past its "26-year level" historical threshold are both a geopolitical easing reshaping global capital risk appetite and two new "trump cards": the artificial intelligence-driven chip frenzy and the energy dividend fueled by high oil and gas prices.
**Chip Stocks: STMicroelectronics Takes the Baton** If the banking sector was the core driver of the Italian market in 2025, the main engine for 2026 has shifted to a more sizzling sector—optical communications and AI chips centered around STMicroelectronics (STM). As a chip supplier to Tesla and Apple, STMicroelectronics has seen explosive growth in 2026, with its stock surging 156% year-to-date. On May 13, its shares soared 9.9% in a single day, leading gains in the European semiconductor sector. On May 22, when the index hit its record high, STMicroelectronics again ranked as the second-biggest gainer on the FTSE MIB with a 5.19% daily increase.
The core driver behind STMicroelectronics' stock performance is robust demand for optical communication components due to large-scale AI infrastructure construction. According to its Q1 2026 financial report, the company's revenue reached $3.1 billion, a 23% year-over-year increase that exceeded market expectations. Notably, its communications equipment and computer peripherals business grew 41% annually, while RF and optical communications revenue increased by over 30%. Management highlighted AI data center projects as a "key tailwind."
STMicroelectronics CEO Jean-Marc Chery provided more aggressive guidance during a Morgan Stanley conference, noting that thanks to a multi-year, multi-billion-dollar commercial partnership with AWS and accelerating optical cable demand, the company's 2026 data center-related revenue would "easily exceed $1 billion—reaching around $1.5 billion," a target previously set for "before 2030." Chery stated, "The booking dynamics we are receiving will allow us to outperform typical seasonal patterns." Beyond AWS, STMicroelectronics has also secured chip supply orders for low-Earth orbit satellite projects like SpaceX's Starlink and Amazon's "Project Kuiper."
Consequently, Mizuho Securities analyst Vijay Rakesh upgraded STMicroelectronics' investment rating from "Neutral" to "Outperform," raising the price target significantly from $32 to $48. Rakesh forecasts that the potential market size for low-Earth orbit satellites will grow from $630 million in 2024 to $1.6 billion by 2029, representing a compound annual growth rate of approximately 20%.
STMicroelectronics is not alone in driving the index. Italian fiber optic cable manufacturer Prysmian also benefits deeply from optical communication infrastructure build-out, frequently appearing on the FTSE MIB's list of top gainers this year. The synchronized rise of these two companies within the same index underscores how AI infrastructure construction has become a new structural growth pillar for the Italian stock market.
**Energy Stocks: An Unexpected Boost from High Oil Prices** On another front, elevated oil and gas prices are delivering an unexpected windfall for Italy's energy giants. Oil and gas services provider Saipem Spa has seen its stock rise 73% year-to-date, while Italian energy major Eni has gained 41% over the same period. Although these gains may not match the chip sector's spectacular performance, in a value-oriented market dominated by traditional industries and finance, the energy sector's contribution is indispensable.
It is worth noting that recent oil price declines following U.S.-Iran negotiation progress have exerted some short-term pressure on energy stocks. Last Friday, Saipem and Eni were among the worst performers on the FTSE MIB, falling 2.56% and 2.08% respectively. However, from a medium- to long-term perspective, this structural complementarity—where gains in one sector offset declines in another—means the FTSE MIB index has different sectors to support its performance regardless of oil price movements.
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