Chinese mobile game developer Chukong Technologies is preparing a $150m US initial public offering.

Molecular oncology diagnostics company Biocept has raised $19m in their initial public offering by selling 1.9 million shares of common stock.

Alder, which is developing antibodies to fight migraine and arthritis, secured $38m in a 2012 venture round backed by Novo and TPG, and will use the money from the initial public offering to forward testing.

ABB Technology Ventures made a profitable exit as it sold its share of cyber security company Industrial Defender to Lockheed Martin, which has fully acquired the business.

US-based cardiovascular drug developer Celladon has raised $50.6m in their initial public offering selling 6.325 million shares at $8 each.

Japanese chip design company Trigence Semiconductor has agreed to sell a minority stake to the state-run Innovation Network Corporation of Japan (INCJ).

Burstly, a smartphone app development company responsible for the beta-testing platform TestFlight, has been acquired by Apple.

Weibo has become the latest Chinese company to tap the US public markets, targeting $500 million from its initial public offering, and plans to leverage its partnership with minority shareholder Alibaba to maxmise advertising revenue.

Chemical company LG Chem is set to buy the US-based desalination membrane producer in a $200m deal that will provide exits for BASF and Total.

When Google Capital decided to invest $40m in US educational assessment company Renaissance Learning in February of this year, it perhaps did not consider a chunk of that investment would be realised about a month later. At the time of the investment the business was valued at $1bn and just a month later the business saw its value hit the $1.1bn mark when it was acquired by private equity firm Hellman & Friedman.