http://chronicle.com/img/photos/biz/Ticker%20revised%20round%2045.gifBy . Standard & Poor’s Rating Services has issued a negative outlook for nonprofit higher education for 2015, citing, among other things, tension between rising costs to colleges and a focus on student affordability. In a report released on Thursday, the agency says the ensuing competition among colleges to attract top students will weigh heaviest on “those whose credit characteristics are already on the cusp of a lower rating.” More...