MINNEAPOLIS--(BUSINESS WIRE)--SUPERVALU INC. (NYSE:SVU) today announced that it is exploring a separation of its Save-A-Lot business, and that as part of that process it has begun preparations to allow for a possible spin-off of Save-A-Lot into a stand-alone, publicly traded company. “Save-A-Lot is a leading national hard discount retailer with over 1,300 total stores, comprised of approximately 430 corporate stores and approximately 900 stores operated by licensee owners, and we believe Save-A