Three directors of clothing firm Guess? Inc have been accused of insider trading and breach of fiduciary duty by yet another investor suit that was filed last week. The latest suit follows several others filed in US District Court in Los Angeles. Shareholders claim that co-chief executive Maurice Marciano, executive vice president Armand Marciano and board member Alice Kane sold stock in the company from August 30 to September 15 while they were privy to negative information regarding the company's performance.