Symantec-backed Backupify has been acquired by backup and disaster recovery service Datto for an undisclosed sum.

The big data software provider, backed by Yahoo, Teradata and Hewlett Packard, has added 50% to its value since going public on Friday.

Social network Momo raised $216m from an IPO and an extra $60m in a private placement to Alibaba and 58.com when it floated in the US last week.

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.