LONDON, ENGLAND - DECEMBER 16: Mark Carney, Governor of the Bank of England speaks at a Bank of England Financial Stability Report Press Conference on December 16, 2019 in London, England. The governor announced that the financial system is prepared for the worst-case Brexit scenario, with major banks surviving 'stress tests' used to replicate a hard exit from the EU. (Photo by Kirtsy Wigglesworth - WPA Pool/Getty Images)