Shares of Dover Corporation ( DOV - Free Report ) have rallied 54.3% year to date, aided by its stellar third-quarter 2019 results and an upbeat outlook for the ongoing year. Also, improved performance in the Engineered Systems and Fluids segments, robust order backlog, strong demand and cost-reduction initiatives are some of its key growth drivers. The company has also outperformed its industry 's rise of 31.1% during the same time frame.