Corporate-backed massively multiplayer online (MMO) game developer Trion Worlds is considering an IPO, CEO Lars Buttler was reported as saying.

Advanced Micro Devices-backed video networking software company ViVu has been acquired by Polycom for an undisclosed amount.

Siemens-backed medical device company Sphere Medical is set for an initial public offering, from which it expects to raise $24m.

Cisco's acquisition of BNI Video follows the video platform business receiving backing from Cisco, Comcast and Time Warner Cable last year.

The corporate-backed video streaming site says it terminated the sale because of the business's "unique and compelling strategic value to each of its owners".

Google and IDG-backed on-line media company Xunlei cancels float due to choppy markets after delaying the listing in July.

The pair of corporate venturing units are set to net some of the proceeds from the up to $90m sale of mobile cloud company DeviceAnywhere.

The business video company had raised at least $25.7m, based on all publicly available venture and debt funding rounds, and it has had three years of 45% year on year revenue growth.

The India-based search engine's plans to reportedly list part of its business in the US come after the SAP Ventures-backed business separately filed to list its parent company in India in August.

Factors in the demise of a promising start-up heavily backed by venture capital firms and US government loans.