Mic.com has acquired video aggregation startup Hyper for an undisclosed amount in a deal that provided an exit to entertainment producer Broadway Video.

Ballard Power Systems has bought portable power technology company Protonex Technology, which had raised more than $210m, for just $18m in cash and stock.

Minted has acquired homeware e-commerce company Guildery, providing an exit to investors including the AOL-founded BBG Ventures.

GV, a backer since cloud computing company Cliqr Technologies' seed round, will be among the exiting investors in a deal expected to close in Q3.

Stanford StartX-backed PredictionIO is acquired by cloud computing company Salesforce for its machine learning technology.

Computer Masti, a computer science curriculum, drives the acquisition of Indian Institute of Technology spinout Inopen Technologies by Next Education.

UPMC and Merck have invested $35m in MedCPU as UPMC prepares to acquire a majority stake in the healthcare IT company.

Digital Garage-backed Technorati, which had raised more than $30m in capital since 2002, was bought by Synacor for just $3m.

SpectraScience has acquired the assets of Applied Materials-backed oncology diagnostics technology developer Oncoscope for an undisclosed sum.

Oracle has bought virtualisation software specialist Ravello Systems, which had raised $54m from backers including Qualcomm and SanDisk, for a reported $500m.