Prime Minister Theresa May faces the delicate balance of maintaining Britain’s FDI credentials while avoiding a fire-sale of cheap U.K. companies. Theresa May is no Lady Bracknell, but the U.K. Prime Minister is nonetheless likely to be thinking about Oscar Wilde’s most-quoted character this week as she fends off takeover approaches from aboard while simultaneously insisting that Britain is an economy with global ambitions that is ‘open for business’.