Investment bank Montgomery advised Greystripe on its $70m exit to ValueClick, a Nasdaq-listed online marketing services provider.

Goldman Sachs, Citigroup and Deutsche Bank are serving as co-lead underwriters for US-based solar power tower developer BrightSource Energy's flotation, although their peer Morgan Stanley, which owns 10.5% of its portfolio company.

Impinj, a US-based provider of radio-frequency identification (RFID) tags, filed for a $100m initial public offering (IPO) while Phoenix New Media, the digital media arm of Phoenix Satellite Television, plans to raise double that.

21Vianet had planned to raise $158.7m by issuing 11.5 million American depositary shares (ADSs), each representing six class A ordinary shares, according to its regulatory filing. Instead, it priced 13 million ADSs at $15 each and closed its first day of trading up 25%.

Japan-based social network provider Gree buys OpenFeint for $104m and commits to an Android fund.

Sagent Pharmaceuticals sold 5.75 million shares at $16 each, compared to plans to price five million shares at between $14 and $16 per share.

Reliance completes first US flotation from its portfolio, sells Pelago and sees investment in its Yatra.

Kosmix exits to Wal-Mart Stores having previously raised $20m primarily from Time Warner in December 2008 to take its then-total funding to $55m.

Intel Capital sold its final 2.29% stake in Persistent held by its $250m Intel 64 Fund for R36.21 crore ($8.1m), according to news provider VCCircle estimates.

Investment banks Stifel Nicolaus Weisel and Piper Jaffray are co-lead underwriters of Envivio's initial public offering (IPO) and the company posted a $2m net loss on $30m of revenues last year, according to its regulatory filing.