11:09 AM EDT, 05/28/2024 (MT Newswires) -- European equities traded in the US as American depositary receipts started the shortened trading week lower late Tuesday morning, declining 0.29% to 1,420.49 on the S&P Europe Select ADR Index.

From continental Europe, the gainers were led by biopharmaceutical company Calliditas Therapeutics ( CALT ) , which soared 75%, followed by internet browser company Opera (OPRA), which rose 4.5%. They were followed by semiconductor company Sequans Communications ( SQNS ) and hotel booking site trivago (TRVG), which increased 4.6% and 1.9% respectively.

The decliners from continental Europe were led by biopharmaceutical company Cellectis ( CLLS ) and medical device maker EDAP TMS ( EDAP ) , which fell 3.9% each. They were followed by biotech firm BioNTech (BNTX) and brewing company Anheuser-Busch InBev ( BUD ) , which dropped 3.2% and 2% respectively.

From the UK and Ireland, the gainers were led by biopharmaceutical company Mereo BioPharma Group ( MREO ) and cruise line operator Carnival (CUK), which advanced 17% and 2.9% respectively. They were followed by biopharmaceutical companies Verona Pharma ( VRNA ) and Amarin ( AMRN ) , which were up 3% and 1.8% respectively.

The decliners from the UK and Ireland were led by pharmaceutical company Silence Therapeutics ( SLN ) and biopharmaceutical company NuCana ( NCNA ) , which lost 2.8% each. They were followed by construction materials supplier CRH (CRH) and pharmaceutical company AstraZeneca ( AZN ) , which were down 1.9% and 2.2% respectively.