The conglomerate is set to make a 12x profit on its $6.4m investment, made in 2006.

The credit marketplace's shares rose 57% on the first day of trading, and the size of the initial public offering looks set to rise to $1bn.

China-based iron ore mining company Hainan has raised $310m in a flotation in which majority shareholder Fosun's stake was diluted from 60% to 54%.

Intrexon-backed regenerative medicine company Histogenics went public after raising $89m in venture capital.

The online lending platform, backed by Wells Fargo, will now issue more shares at a higher price when it goes public.

WPP and Intel-backed Say Media will buy out its investors as part of a move that will involve it refocusing its business model on its online publishing platform.

The SAP and Google-backed online lending platform will issue 10 million shares, priced at up to $18.00 each.

Motorola Mobility, Verizon and Entropic Communications all exited semiconductor chip maker Zenverge as it was acquired by Freescale Semiconductor for an undisclosed amount.