SAN DIEGO, Calif.--(BUSINESS WIRE)--Jack in the Box Inc. (NASDAQ: JACK) today announced that it has partnered with The Cypress Group, a leading restaurant and franchise investment banking firm, to manage the sale of certain company-owned Del Taco restaurants, which currently make up roughly half of the brand's total restaurant count, to existing and new franchisees. The sale process will begin immediately and represents the next step toward asset-light portfolio optimization of the Del Taco sys