There used to be a rule of thumb that each bil in the order book...

There used to be a rule of thumb that each bil in the order book was worth $1 for the share price. So the $35bn or so order book *should* equate to a $35 sp.

This overshot of the upside obviously when the sp hit $60, and has probably gone the other way now.

Interesting take on it, even if the market no longer takes much notice of it.