A London woman has placed a £100,000 bet on Britain voting to remain in the European Union in the June 23 referendum. The unnamed William Hill client — who according to the bookmakers lives in central London — stands to win a total return of £140,000 after backing Britain to stay in the 28-nation bloc at odds of 2/5. Incredibly, it's the first bet the female client has ever placed, according to William Hill's Graham Sharpe who spoke to Business Insider on Monday. Sharpe told BI in an email: "It was her first, and, so far, only bet she told me when I spoke to her on Saturday." He added: "This is the biggest ... (full story)