Fluidigm raised $75m at $13.50 per share by selling 5.6 million shares, with a further 833,750 available if demand is strong enough for its investment banks Deutsche Bank and Piper Jaffray, according to its regulatory filing.

AcelRx had planned to raise $86m in its initial public offering (IPO) but is now offering eight million shares at $5 each, with a further 1.2 million available if there is enough demand, according to its regulatory filing.

The company sold 7.15 million common shares at its initial public offering (IPO) at $15 each, according to Gevo's regulatory filing.

Playspan provides developers and publishers, such as Nickelodeon, a platform to manage micropayments, e-commerce, and micro-transactions in 180 countries and been sold to Visa for at least $190m.

Out of 240 portfolio companies at Intel Capital, 12 are listed in the US with the three largest holdings as Micron Technology, VMWare and Clearwire, according to the company's regulatory filing.

Jim Spare, executive president of Canesta, which has been acquired by software group Microsoft, said: "There is little question that within the next decade, we will see natural user interfaces become common for input across all devices.

Tencent, a China-based online messaging company, has acquired a majority stake in one of its corporate venturing group's portfolio companies, Riot Games, for a reported $400m.

Inlet acquisition will boost Cisco's Videoscape television platform, allowing service and content providers to deliver video to any device over any internet protocol network.

Investment bank UBS is advising on the flotation of Jucheng, the first training services company to list in China.