Feb 13 (Reuters) - Enerplus Corp ERF.TO
* Key Group Holdings (Cayman) Ltd reports a 5.73 percent passive stake in Enerplus Corp as of December 31, 2016 - SEC filing Source: Further company coverage: ERF.TO
Feb 13 (Reuters) - Enerplus Corp ERF.TO
* Key Group Holdings (Cayman) Ltd reports a 5.73 percent passive stake in Enerplus Corp as of December 31, 2016 - SEC filing Source: Further company coverage: ERF.TO