Tencent-backed Kik is closing its social media and messaging app as it pursues a costly legal battle with the Securities and Exchange Commission over an initial coin offering.

Conichi has been purchased by strategic investor HRS and will be integrated into the travel booking platform's business division.

R/GA is exiting drone workflow automation platform Hangar Technology, which has been purchased by AirMap for an undisclosed sum.

Frequency Therapeutics, a regenerative medicine developer advancing MIT and Harvard research, has set the range for an initial public offering that will raise $107m if it floats at the high end.

Facebook has paid a reported $500m to $1bn to acquire neural interface technology developer Ctrl-Labs, which had raised $67m from investors including GV and Alexa Fund.

Regnerative medicine developer Frequency Therapeutics has set the range for an initial public offering that will raise $107m if it floats at the high end.

Unity Technologies has bought game development services provider DeltaDNA, which had raised at least $4.3m from investors including STV.

HP has paid an undisclosed sum for anti-malware software producer Bromium, which had raised $110m of funding from investors including Intel Capital.

Creditshelf is buying business financing tool developer Valendo, which has raised an undisclosed amount from investors such as ProSiebenSat.1 Accelerator.

CapitalG-backed Airbnb, valued at $31bn as of 2017, has declared it plans to list its shares next year, and looks likely to choose a direct listing.