BEL 20 Index Falls 1.27% as UCB Shares Plunge in Brussels Trading

Belgium's benchmark stock index, the BEL 20, finished Thursday's trading session down 1.27%, as a sharp sell-off in the healthcare sector weighed heavily on the broader market.

Healthcare Stocks Lead Declines

The downturn was primarily driven by weakness in the Healthcare, Telecoms, and Consumer Services sectors, according to closing data from Brussels. Pharmaceutical giant UCB SA (EBR:UCB) was the session's worst performer, with its shares plummeting 13.51% to close at 217.00.

Other notable decliners on the index included biotech firm Argen-X (EBR:ARGX), which fell 3.74%, and stainless steel producer Aperam SA (AS:APAM), which was down 2.12%.

Pockets of Strength Emerge

Despite the index's negative performance, some individual stocks posted significant gains. Specialty materials company Syensqo SA (EBR:SYENS) was the top gainer, rising 6.30% to end the day at 75.95.

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Other top performers included:

• Umicore SA (EBR:UMI), which added 4.57%.
• Melexis NV (EBR:MLXS), which climbed 2.54%.

Overall market breadth on the Brussels Stock Exchange was narrowly positive, with 44 stocks advancing compared to 40 that declined, while 16 finished the day unchanged.

Broader Market Context

In the wider financial markets, commodities saw mixed trading. Gold Futures for August delivery rose, while crude oil prices fell, with September WTI Crude futures dipping 0.50% to $84.04 a barrel. In currency markets, the euro gained against the U.S. dollar, with the EUR/USD pair up 0.53% to 1.15, as the US Dollar Index Futures fell 0.89%.