Filed under: Wal-Mart (WMT), Private equityThere was some intrigue recently in Paris as Luc Vandevelde, the chairman of Carrefour SA, decided to quit. Actually, this was not the only post he left. He also departed as the chief of Citra, which is an investment firm for the wealthy Halley family (who own 13% of Carrefour).In the meantime, two private equity firms -- Groupe Arnault and Colony Capital -- have purchased a 9.8% stake in Carrefour.No doubt, something is afoot. And it's a pretty good bet that Carrefour will not be an independent company for long.Carrefour is Europe's largest retailer, with more than 947 locations, and the second largest retailer in the world after Wal-Mart Stores, Inc. (NYSE:WMT). Unfortunately, the company has had troubles dealing with the onslaught of ...