In an effort to make sure that it doesn't get burned by zealous investors after it splits into two companies, a personal care company and a battery company, Energizer has adopted a poison pill plan that is effective immediately and will remain in effect until Dec. 31, 2015. According to Energizer, the plan is designed to assist the board in the period leading up to and immediately following the separation by protecting against creeping accumulations or other share acquisition activity that ...