http://chronicle.com/img/photos/biz/Ticker%20revised%20round%2045.gifBy . The main trade association of for-profit colleges will appeal a ruling that upholds the U.S. Education Department’s gainful-employment rule, the group announced in a news release on Thursday. Steve Gunderson, president of the Association of Private Sector Colleges and Universities, said in the release that the rule is “arbitrary and capricious and in violation of federal law.” More...