DealsPE Firms Buy ACS Biz UnitSpanish builder ACS has sold its service unit Clece to private equity firms Luxpeak and Mercapital Private Equity, Reuters reported. The deal is valued at 608 million euros ($860.6 million).Bycnolan1 April 2011•1 min readJavaScript is required to read this article. Please enable it in your browser and reload the page.DealsNorth AmericaUSBriefs