Cybersecurity stocks and tracker products rose at the European open on Monday after a global "ransomware" attack disrupted car factories, hospitals, shops and schools around the world.
A London-listed cybersecurity exchange-traded fund ISE whose holdings include software provider Cisco Systems and cybersecurity firms Fireeye and Symantec rose 0.9% at the open.
London-listed shares in cloud network security firm Sophos, which also saw an upbeat target price raise at Deutsche Bank, jumped as much as 3.6% to a record high.
A cyber-attack in at least 150 countries spread across the globe on Friday, disrupting operations at firms including French carmaker Renault.