LONDON—When Japan’s Daiwa Securities Group Inc. heard the British prime minister pledge on Sunday to prioritize controlling immigration in the coming Brexit negotiations, it didn’t wait to act. The next day, staff accelerated contingency planning for the bank’s London investment banking unit and began to contact other European cities, according to a person familiar with the matter. While Daiwa doesn’t have a definite plan yet, it...

Source: Wall Street Journal October 06, 2016 09:33 UTC