Lincoln Electric Holdings, Inc. (LECO) shares have lost 20.9% in the past three months compared with the industry's 10% decline. This mainly reflects escalating freight and material costs. Low volumes in the Harris Products Group add to the woes. Image Source: Zacks Investment Research High Costs, Weakness in Harris Products Group Ail Lincoln Electric is witnessing inflationary headwinds from escalating labor and raw material costs that impacted its margins. In addition, continued risks of possible supply-c ...