European equities traded in the US as American depositary receipts were tracking lower late Friday morning, declining 0.47% to 1,520.35 on the S&P Europe Select ADR Index, which is down 1.5% for the week.

From continental Europe, the gainers were led by medical device maker EDAP TMS (EDAP) and biopharmaceutical company Cellectis (CLLS), which advanced 9.4% and 1.5%, respectively. They were followed by accommodations booking company trivago (TRVG) and internet advertising company Criteo (CRTO), which increased 1.2% and 1.1%, respectively.

The decliners from continental Europe were led by biotech firm Evaxion (EVAX) and internet browser company Opera (OPRA), which lost 6.9% and 2.9%' respectively. They were followed by software firm SAP (SAP) and semiconductor company Sequans Communications (SQNS), which dropped 1.6% and 1.3%, respectively.

From the UK and Ireland, the gainers were led by biopharmaceutical company Biodexa Pharmaceuticals (BDRX) and insurance company Prudential (PUK), which rose 2.2% and 1.9%, respectively. They were followed by software company Endava (DAVA) and tobacco producer British American Tobacco (BTI), which were up 1.4% and 0.6%, respectively.

The decliners from the UK and Ireland were led by biopharmaceutical company Adaptimmune Therapeutics (ADAP) and biotech company Trinity Biotech (TRIB), which fell 9.1% and 4.5%, respectively. They were followed by financial services companies Lloyds Banking Group (LYG) and Barclays (BCS), which were down 3.2% and 2.4%, respectively.