Bloomberg Optimism among UK chief financial officers climbed to an 18-month high in the weeks before Prime Minister Theresa May formalized Britain’s intention to leave the European Union. Almost one-third of CFOs said they are more optimistic about prospects for their company than they were three months ago, according to Deloitte’s first-quarter survey. That’s up from 3 percent immediately following …

  Bloomberg Imagination Technologies Group Plc shares plunged as much as 69 percent after the UK chip designer said Apple Inc. will stop using its intellectual property in new products, setting the stage for a clash with its biggest customer. The iPhone maker has informed Imagination Technologies that it will cease using its graphics technology for new products, including phones, …

  WASHINGTON / AP It sounds like science fiction, but a cap-like device that makes electric fields to fight cancer improved survival for the first time in more than a decade for people with deadly brain tumors, final results of a large study suggest. Many doctors are skeptical of the therapy, called tumor treating fields, and it’s not a cure. …