Manteca’s newest retailer — dd’s Discounts — is opening Saturday, June 24, in the Stadium Retail Center anchored by Kohl’s in space once occupied by Office Depot.The California-based retailer was launched in 2004 with 10 stores. They are marking the grand opening of seven new stores Saturday and list Manteca as their 200th location. The firm already has two stores in both Modesto and Stockton.The stores carry fashions for the entire family as well as items for the home at prices dd’s Discounts hawks as being 20 to 70 percent below suggested retail.To mark Saturday’s grand opening, dd’s Discount is giving away $1,000 in gift cards.