WPP shares fall as Sir Martin Sorrell quits

Shares in advertising giant WPP have fallen after chief executive Sir Martin Sorrell resigned following allegations of personal misconduct.Sir Martin, who has built up the company over 32 years, resigned over the weekend following claims related to the alleged misuse of company assets.Sir Martin already owns shares in WPP worth more than £200m‎, while his annual remuneration packages - he earned £70m two years ago - have made him a target for critics of lavish boardroom pay.