One explanation for the sudden price lift may relate to the...

One explanation for the sudden price lift may relate to the amount of money Governments are throwing at the economy to stimulate activity, you'd have to think WTP is in the box position to pick up some of the billions of dollars of public works (schools etc) that will be built in the next year or two.

Being now more nationally focused, it will spread it's chances of picking up lucrative contracts, particularly Vic, NSW & Qld.