New York (CNN Business) Five years ago, Slack officially launched out of the ashes of a failed gaming project. Now the company is worth more than $20 billion. Slack, the workplace communication tool popular in tech and media circles, began trading on the New York Stock Exchange on Thursday, making it the latest tech unicorn to race to Wall Street this year. But Slack took a more unconventional approach to going public. At its closing price, Slack had a market value of roughly $23 billion.

Source: CNN June 20, 2019 16:19 UTC