LONDON, ENGLAND - DECEMBER 09:  City workers walk across London Bridge on their commute to the financial district on December 9, 2009 in London, England. Chancellor of the Exchequer, Alistair Darling, is expected to announce new tax measures on bankers' bonuses in his Pre-Budget Report to Parliament today. Getty Images logo Getty Images 3 months ago

LONDON, ENGLAND - DECEMBER 09: City workers walk across London Bridge on their commute to the financial district on December 9, 2009 in London, England. Chancellor of the Exchequer, Alistair Darling, is expected to announce new tax measures on bankers' bonuses in his Pre-Budget Report to Parliament today.