Packaging Corporation of AmericaPKG delivered third-quarter 2018 adjusted earnings of $2.23 per share, surpassing the Zacks Consensus Estimate of $2.15. Click to get this free report Mobile Mini, Inc. (MINI): Free Stock Analysis Report Packaging Corporation of America (PKG): Free Stock Analysis Report Tetra Tech, Inc. (TTEK): Free Stock Analysis Report Tenaris S.A. (TS): Free Stock Analysis Report To read this article on Zacks.com click here. Furthermore, prevalent inflation in operating and converting costs, including incremental wage pressure with a tighter labor market, will dampen its margin.