Investors Love Slack—for Now

Investors Love Slack—for Now

It’s official: Investors love Slack. The workplace chat company went public Thursday through an unusual direct listing, where it simply made its shares available on the New York Stock Exchange, without bankers. Slack shares closed at $38.62, nearly 50 percent above the “reference price” set a day earlier, valuing the company at $19.47 billion. Of …