Key TakeawaysWorkday shares soared 11% in extended trading Thursday after the human resources and capital management software provider reported quarterly results that topped estimates and pointed to growth opportunities in international markets.The shares have carved out a double bottom between June and August, a well-known chart pattern that indicates an upside reversal after an extended downtrend.Investors should monitor important overhead price levels in Workday shares at $264,$279, and $306. Workday (W ...