Beverly Hills-based Qintex Entertainment, which filed for...

Beverly Hills-based Qintex Entertainment, which filed for Chapter 11 bankruptcy protection on Oct. 20, confirmed that it laid off 31 of its 80 employees . . . Moody’s Investors Service Inc. said it is reviewing its senior credit ratings on about $4.8 billion in long-term debt of Shearson Lehman Hutton Holdings Inc. with the possibility of lowering the ratings.