> It is really hard to make a financial argument for the value of a stock that makes no profits and is has a low to negative book value. IMO the best justifica

> It is really hard to make a financial argument for the value of a stock that makes no profits and is has a low to negative book value. IMO the best justification for Slack's market value is that its likely to be acquired by one of the mega-cap tech companies in the relatively near future. Alone it may not be a profitable business, but integrated into a broader ecosystem like AWS or Microsoft Office or Facebook's network, may result in extremely valuable synergies.