GE stock has worst day in 11 years after Madoff whistleblower calls it a bigger fraud than Enron

<b>New York (CNN Business) —</b> General Electric fought back Thursday night after the company was accused of fraud and its stock experienced its worst one-day percentage drop since April 2008.<p>General Electric shares plunged more than 11% Thursday after Harry Markopolos, who is famous for blowing the …