Something is going down, not sure exactly what atm, but I'd suggest a 'counter-offer' is being prep'd, hostile or otherwise...
Unusually 'large' volumes moving around, highly unusual, unless something is about to go down...
https://hotcopper.com.au/threads/h1-2018-results-pending.4042882/?post_id=31342780#.WpYkGa6WaCg
Hold on..!!
ML