The Plain Dealer A. Schulman launches $855 million hostile takeover bid for Ferro Corp. Don Margotta, a finance professor who has written extensively about hostile takeovers at Northeastern University in Boston, said that staggered board structure “is very effective in fighting off takeovers, or at least slowing them down.” On top of that, Margotta said, are Ohio laws that prevent investors from buying more than 20 percent of a company without […]