The messaging service has set its range at $26.50 to $31.50 per share, potentially raising $1.1bn when it floats in Tokyo and New York next month.

Cisco has agreed to acquire cloud security software provider Cloudlock in a deal that will allow backers including Salesforce Ventures to exit.

Clark Enterprises has celebrated an exit through the acquisition of retail analytics software developer Orchestro by supply chain services firm E2open.

The business communication technology provider, which had raised $240m from investors including Amazon and Salesforce, will float above its range.

Marshall Group is set to exit gas sensor technology producer CMOS after the agreement of an acquisition by AMS.

The social media data provider will close its service next month due to features introduced by the likes of Facebook, Instagram and Twitter making its service unnecessary.

Bed Bath & Beyond has acquired Scripps-backed home furnishings flash sales platform One Kings Lane for a sum likely to be far less than its $912m series E valuation.

The daily fantasy sports businesses have raised a total of almost $750m from investors including Alphabet, Fox Sports, Time Warner, Comcast and NBC.

The second-hand furniture marketplace, backed by Alphabet and IDG, is in talks to be acquired by an as-yet unnamed "symbiotic company".