Tennant Co (NYSE: TNC) Q1 2020 Earnings Call May 6, 2020, 11:00 a.m. -- Analyst More TNC analysis All earnings call transcripts {%sfr%} 10 stocks we like better than Tennant Company When investing geniuses David and Tom Gardner have a stock tip, it can pay to listen. The year-over-year increase primarily reflects actions related to Tennant's new enterprise strategy, including pricing and cost-out initiatives as well as favorable freight costing, which more than offset the negative effect of labor and material inflation.