ROSEN, A LEADING LAW FIRM, Reminds Slack Technologies, Inc. Investors of Important Deadline in Securities Class Action

NEW YORK, Oct. 4, 2019 /PRNewswire/ -- Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of Slack Technologies, Inc. pursuant or traceable to Slack's initial public offering of ordinary shares conducted in June 2019 (the "Class Period"). The lawsuit...

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