 MOUNT AIRY, N.C.--BUSINESS WIRE--Insteel Industries Inc. NYSE: IIIN today announced financial results for its third quarter ended July 3, 2021. Third Quarter 2021 Results Net earnings increased to 18.4 million, or 0.94 per diluted share, from 6.7 million, or 0.34 per diluted share, in the same period a year ago. Insteels third quarter results benefitted from higher spreads between selling prices and raw material costs driven by strong demand for the Companys reinforcing products and p 