LONDON—From the pinnacle of the City of London’s largest skyscraper, Stuart Lipton is wagering a $1.2 billion bet that the British capital remains a master of the international financial universe no matter what happens with Brexit.
The 76-year-old property developer is not alone. Bankrolled by a host of global investors, including France’s Axa, his big-ticket gamble in London’s financial district is—so far—on the money.