Atlassian (TEAM) shares have gained 35.9% in the past year, underperforming the Zacks Computer Technology sector, Zacks Internet Software industry and the S&P 500’s return of 40.3%, 48.4% and 36%, respectively.Given Atlassian's reputation as a leader in the enterprise collaboration and workflow software space, this underperformance is disappointing. This raises a crucial question for investors: Is it the right time to buy, hold or sell Atlassian stock?Atlassian Suffers From Sluggish GrowthAtlassian’s sales ...