Potentially the last tech IPO of the year ended its first day of trading with a bang. Atlassian, a maker of collaboration and software development tools, ended the day up about 32%. With that rise, Atlassian — which raised money at a $3.3 billion valuation before going public — is now worth nearly $6 billion, making it one … Continue reading Atlassian Closes Up 32%, Valuing The Company At $5.8B