Silicon Valley Will Be Tamed By Global Response, U.K. Chief Says

The head of Britain’s antitrust watchdog said he needs to pick his battles with tech giants such as Amazon.com Inc. and that global counterparts like the European Commission will often take the lead reining in Silicon Valley.

Andrea Coscelli, chief executive officer of the newly beefed-up Competition and Markets Authority, told Bloomberg he may take a back seat in some cases if other agencies are already taking a close look, and that some merger probes are better suited to certain courts and jurisdictions than others.

“You cannot expect when there is a problem, every single agency to go after ...