Shares of Workday, Inc. (NYSE: WDAY) gained 14.4% last month, according to data provided by S&P Global Intelligence.Workday stock climbed during the month in anticipation of the company's fiscal first-quarter 2018 earnings, which were released on June 1. The purveyor of cloud-based finance and human capital management software reported crisp performance, with overall revenue rising 38% over the comparable prior-year period.The quarter was also characterized by a lower loss than the first quarter of fiscal 2017.