ArgenX shares climbed more than 4% on Thursday, erasing previous session losses and emerging as the primary catalyst for a rally in the Brussels stock exchange.
The biotech firm’s recovery helped push the Belgian benchmark index toward record territory, capping a day of positive sentiment across European equities.
3% to close at 24,956 points, driven by optimism surrounding a reported framework agreement between the United States and Iran.
The move came as investors navigated mixed signals from the technology sector, where concerns over the profitability of artificial intelligence investments and elevated valuations among tech giants weighed on sentiment.
Despite these headwinds, the broader European market finished higher, with ArgenX’s performance providing a notable lift to the Belgian market.
The rally in Brussels follows a week of strong performance across European markets.
Earlier in the week, the German DAX rose 1.3% to close at 24,956 points, driven by optimism surrounding a reported framework agreement between the United States and Iran.