"The business leaders were united in emphasising the need for as much certainty as possible," her spokesman said after a meeting on Thursday in Downing Street between May and executives from financial firms. "The conclusion of phase one talks were deemed to have provided reassurance."

(Reporting By Andrew MacAskill. Editing by William Schomberg)

Stocks treated in this article : Goldman Sachs Group, Banco Santander, Barclays PLC, HSBC Holdings