Traders plaything

Since the acquisition announcement, MNF number of shares traded each day has grown substantially, and the volatility appears to be growing.

Looks like Reno Sugo owns 20% of the stock via Avondale Innovations (Super trust?)
Andy Fung owns 16% directly, and a further 7% via Amber Asia.

There doesn't appear to be any major fund invested in MNF at present, but I would think that the NZ telecom announcement would trigger some investment from funds.