The battle over troubled home improvement retailer Rona Inc. has ended in armistice. After pushing for a whole new board, Rona’s second largest shareholder, Invesco Canada Ltd., has agreed to a plan to bring in eight new directors, upping the board size to 14 members from 12. Investors might be surprised to see that Rona’s largest shareholder, the Caisse de dépôt et placement du Québec, is onside with Invesco, until they realize what has really changed: Invesco is no longer pushing for a sale of the company to U.S. retail giant Lowe’s Cos. Inc.