By Ozan Ergenay and Danilo Masoni
GDANSK/MILAN, May 27 (Reuters) – 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%.
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.
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 .
($1 = 0.8593 euros)
(Reporting by Ozan Ergenay, Jakob Van Calster, Danilo Masoni, editing by Milla Nissi-Prussak and Matt Scuffham)
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