 LAKE FOREST, Calif.--BUSINESS WIRE--Del Taco Restaurants, Inc. Del Taco or the Company NASDAQ: TACO, the second largest Mexican-American quick service restaurant chain by units in the United States, will announce fiscal second quarter 2021 financial results on Thursday, July 22, 2021 after the market closes. A conference call and webcast are scheduled for 4:30 p.m. ET that same day. Hosting the conference call and webcast will be John D. Cappasola, Jr., President and Chief Executive O 