 TUCKER, Ga.--BUSINESS WIRE--GMS Inc. NYSE: GMS, a leading North American specialty distributor of interior building products, today reported financial results for the third quarter of fiscal 2021 ended January 31, 2021. Third Quarter Fiscal 2021 Highlights Comparisons are to the third quarter of fiscal 2020, except where noted. Net sales of 751.2 million decreased 1.3; organic net sales decreased 1.9. On a per day basis, net sales increased 0.3 and organic net sales declined 0.3. Net 