The surprise victory of the New Popular Front (NFP) in France's elections has set alarm bells ringing for the nation's wealthy as the hard-left alliance plans to roll out an eye-watering 90% income tax on high earners. Even before the election took place, financial advisers reported a huge influx of enquiries off the back of Emmanuel Macron's decision to call a snap election, with well-off French citizens considering a move to more fiscally favourable territories such as Italy, the historic tax haven of Switzerland, and Spain. But the victory of the NFP over Macron's centrists and the hard-right National Rally...