But Slack's so-called direct listing is one you should avoid. Why should you pass on Slack's direct listing? Decelerating revenueSlack's total revenue growth is slowing down and so is the growth in revenue it gets from existing customers. But as Slack's growth slows, it is spending more on sales and marketing, research and development, and general and administrative expenses. With its slowing growth and money-losing business model, is there any value left in Slack shares for people who buy into its direct listing?

Source: Forbes April 30, 2019 12:41 UTC