The Motorola Solutions-backed gunshot detection software provider plans to raise up to $34.5m in an initial public offering on Nasdaq.

Affinitas is set to merge with fellow online dating company Spark Networks in a deal that will provide an exit to Rocket Internet and Medienguppe Pressedruck.

The neurological disorder drug developer has floated in an initial public offering that gave pharmaceutical companies Sanofi and Takeda exits.

The transaction, worth up to $57.5m, will allow Intel Capital and the Singapore state-owned EDBI to exit adtech provider Crisp Media.

Intel, Unilever and Bauer Media will exit online recipe recommendation platform Yummly, which was valued at $100m as of 2015, in an acquisition by appliance maker Whirlpool.

The Renren-backed social media platform has formally announced it will shut down this week, with Square paying about $1m for some of its engineers and IP.

The cancer-focused antibody developer has secured $58.5m in a US flotation that involved existing investors Celgene and Eli Lilly buying more than $7m of shares.

Big data software provider Cloudera has gone public, but the gap between its market cap and the valuation at which Intel invested three years ago may be an ill omen for backers of other unicorns.

Cardiff spinout Nanotether Discovery Science has been acquired for $340,000.

The online radio group has bought in-car connected technology developer Automatic Labs, giving exits to Comcast, CDK Global and USAA among others.