European equities traded in the US as American depositary receipts were sliding late Thursday morning, down 1.31% to 1,760.75 on the S&P Europe Select ADR Index.

From continental Europe, the gainers were led by biotech firm Evaxion (EVAX) and internet browser company Opera (OPRA), which rose 4.3% and 4.2%, respectively. They were followed by biopharmaceutical company Cellectis (CLLS) and internet advertising firm Criteo (CRTO), which were up 2.3% and 1.9%, respectively.

The decliners from continental Europe were led by telecommunications company Nokia (NOK) and healthcare tech company Philips (PHG), which dropped 3.8% and 3.7%, respectively. They were followed by biopharmaceutical company argenx (ARGX) and lender Banco Santander (SAN), which lost 3.6% and 2.8%, respectively.

From the UK and Ireland, the gainers were led by biotech company Trinity Biotech (TRIB) and communications firm WPP (WPP), which advanced 6.7% and 4.4%, respectively. They were followed by biopharmaceutical company Akari Therapeutics (AKTX) and software firm Endava (DAVA), which increased 3.6% and 3.3%, respectively.

The decliners from the UK and Ireland were led by pharmaceutical company Silence Therapeutics (SLN) and biotech company Autolus Therapeutics (AUTL), which fell 10% and 5.5%, respectively. They were followed by medical device maker Smith & Nephew (SNN) and tobacco company British American Tobacco (BTI), which were down 4.1% and 4%, respectively.