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Retail investors band together again as European chip manufacturer X-Fab’s share price surges over 70% due to a single tweet

Retail investors band together again as European chip manufacturer X-Fab’s share price surges over 70% due to a single tweet

Odaily星球日报Odaily星球日报2026/05/27 15:53
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Odaily reported that the stock of an obscure European chip manufacturer surged over 70% on Wednesday, after being strongly recommended by a popular social media account. An X account named Serenity posted that it has taken a position in X-Fab Silicon Foundries SE, a company listed in Paris with six semiconductor manufacturing facilities worldwide. The X account has over 400 thousand followers.

This post, which has been viewed more than 500 thousand times, triggered a retail trading frenzy and sent X-Fab's stock soaring, with gains reaching as high as 77%. In the afternoon, the stock was up more than 30%, with trading volume roughly 17 times its three-month average. Due to extreme price volatility, trading was suspended several times. "We have noticed the recent rise in the company's share price and trading volume," said X-Fab CEO Damin Mark. "The company is currently not aware of any significant new developments that require disclosure and have not yet been made public."

This is not the first time this year that European tech stocks have surged after recommendations from Serenity. According to the profile, the user is both an "AI/semiconductor supply chain analyst" and an "AI research scientist." X-Fab's current stock price is about 12 euros, more than double the average analyst target price of about 5.5 euros. Data shows that out of eight analysts tracking the stock, only one has given it a "buy" rating.

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Disclaimer: The content of this article solely reflects the author's opinion and does not represent the platform in any capacity. This article is not intended to serve as a reference for making investment decisions.

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