source:http://www.fool.com/investing/general/2013/12/03/is-corinthian-colleges-a-screaming-buy-now.aspx....
"This is the question that came into investor's minds on Friday and the very concern that sent the stock lower. After receiving a civil investigative demand (CID) from the Consumer Financial Protection Bureau (CFPB), Latham & Watkins LLP, the company's law firm, sent a petition to the Bureau requesting that its terms be set aside or modified.....
The CID is evidence of an investigation by the CFPB into the company's marketing and origination of student loans to determine if it is engaging in any abusive practices. However, according to the request from Corinthian's law firm, the company believes that the scope of the information demanded would be overly burdensome to retrieve....
It is possible that management is trying to cover something up by making such a request, but it should not be automatically assumed that there is something illegal in the works. As the company points out on page 9 of the request, it currently has over 40 terabytes of data and is adding approximately 100 gigabytes per month. This is a significant amount of data and, when spread across more than 15,000 employees and 80,000 students, could require a great deal of cost and effort to get everything that investigators want to see."