CNN — Business Insider and its parent company, Axel Springer, said Sunday that they stood by the outlet’s reporting that Neri Oxman, a prominent former professor at the Massachusetts Institute of Technology and the wife of billionaire hedge fund manager Bill Ackman, had plagiarized in her doctoral dissertation. In a note Sunday morning, Barbara Peng, chief executive of Business Insider, said the outlet had spent several days reviewing its reporting after public complaints made by Ackman. The review, Peng said, found that “there was no unfair bias” and that the “process we went through to report, edit, and review the...