Shares of European chipmaker X-FAB surged on Wednesday after retail buying tied to a viral social media post.

Synopsis Retail flows appeared to dominate activity, with X-FAB among the most traded stocks on Germany's Tradegate platform, ranking second behind U.S. chipmaker Micron Technology ‌and ahead of Germany’s Infineon. Shares of European chipmaker X-FAB surged on Wednesday after retail buying tied to a viral social media post, in the latest sign of speculative trading in semiconductor stocks. The Paris-listed stock rose as much as ‌76%, briefly ⁠valuing the ⁠company at about 2.06 billion euros ($2.40 billion), a record high. It later trimmed gains but was up 38% by 1322 GMT, taking this year's total gains to 141%. S&P 500 Top Gainers AppLovin563.56(9.59%) MGM Resorts International41.60(8.18%) United Airlines Holdings113.24(6.91%) CDW115.97(6.80%) S&P 500 Top Losers Boston Scientific52.09(-9.63%) Qualcomm226.74(-8.87%) Coterra Energy32.56(-8.62%) Insulet143.85(-6.47%) Traders said there was no obvious corporate news behind the move. "It's being pushed on X," said Stephane Ekolo, equity strategist at TFS Derivatives in London. The post, from the X handle ⁠Serenity, highlighted X-FAB ‌as an "interesting long idea" linked to photonics and power semiconductors. X-FAB CEO Damien Macq said the company knew of no undisclosed ⁠development that would explain the rise. "We have observed the recent increase in our share price and trading volumes. The company is not aware of any undisclosed material developments that would warrant disclosure at this time," Macq told Reuters via email. Live Events Retail flows appeared to dominate activity, with X-FAB among the most traded stocks on Germany's Tradegate platform, ranking second behind U.S. chipmaker Micron Technology ‌and ahead of Germany’s Infineon. The same X handle, also known as @aleabitoreddit, was previously linked to sharp gains in UK computer hardware firm Raspberry Pi in February. ⁠Since then, its followers have grown to more than 411,000 from around 58,000. Semiconductor shares were already rallying on expectations that artificial intelligence will support demand. Macq said X-FAB remained focused on automotive, industrial and medical markets, including photonics and data centre applications. SK Hynix topped $1 trillion in market value for the first time on Wednesday, joining memory chip peers Samsung Electronics and Micron. (You can now subscribe to our ETMarkets WhatsApp channel) (What's moving Sensex and Nifty Track latest market news, stock tips, Budget 2025, Share Market on Budget 2025 and expert advice, on ETMarkets. Also, ETMarkets.com is now on Telegram. For fastest news alerts on financial markets, investment strategies and stocks alerts, subscribe to our Telegram feeds .) Subscribe to ET Prime and read the Economic Times ePaper Online.and Sensex Today. Top Trending Stocks: SBI Share Price, Axis Bank Share Price, HDFC Bank Share Price, Infosys Share Price, Wipro Share Price, NTPC Share Price ...moreless Down 30% in 1 year, are AI-hit Infy, TCS still value stocks? How practical is India’s latest investor protection framework? 3 years on, India rebuilds aircraft lessors’ trust that Go First broke Can a Rajan-style NRI dollar-deposit scheme save the rupee? As West Asia boils, will Dubai’s loss be a GIFT for India? Stock Radar: SAIL stock hits fresh record high in May; time to buy or book profits? 1 2 3

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