Slack’s value rockets as stock closes up 48.5% in public debut

It was a historic day for Slack(NYSE: WORK). The workplace communication software juggernaut debuted on the New York Stock Exchange up 48% at $38.50 per share after reports emerged Wednesday night that the business had agreed to a reference price of $26 per share.
Slack, founded in 2009 as Tiny Speck, closed up 48.5% Thursday at $38.62 per share. The stock had climbed as high as $42 in intraday trading. Slack’s market cap now sits well above $20 billion, or nearly 3 times its most recent p