WORK NOTICE: Zhang Investor Law Reminds Investors of November 18 Deadline in Securities Class Action Lawsuit Against Slack Technologies, Inc. – WORK 

NEW YORK, Nov. 08, 2019 (GLOBE NEWSWIRE) -- Zhang Investor Law announces a securities class action lawsuit on behalf of shareholders who bought shares of Slack Technologies, Inc. (NYSE: WORK) between pursuant or traceable to the June 2019 IPO, inclusive (the Class Period).