 CARY, N.C.--BUSINESS WIRE--Cornerstone Building Brands, Inc. NYSE: CNR, the largest manufacturer of exterior building products in North America, will release its 2021 second-quarter financial results on Tuesday, August 3, after the market closes on the New York Stock Exchange. The company will host a conference call at 9:00 a.m. EDT on Wednesday, August 4, to discuss its second-quarter financial performance with investors and securities analysts. The financial results and supplemental infor 