Donaldson Company, Inc.DCI has been struggling with the headwinds that have marred its operational performance over the past few quarters. Click to get this free report Tetra Tech, Inc. (TTEK): Free Stock Analysis Report Heritage-Crystal Clean, Inc. (HCCI): Free Stock Analysis Report Sharps Compliance Corp (SMED): Get Free Report Donaldson Company, Inc. (DCI): Free Stock Analysis Report To read this article on Zacks.com click here. Price inflation in some major raw materials, increased freight expenses as well as higher pension settlement disbursement primarily led to the rise.