I've not moved or removed the Market Price (other than introducing it to the Post page) so presumably there's an environment setting making it appear or not (there certainly appears to be logic that if there's no data, the component doesn't display). I've tried "forcing" it into the page but something (possibly external to my code) is preventing it from displaying. I'll need to spend some more time trying to understand what's happening but the code's there, unchanged.

There appears to be environment logic around the Ads too - I hadn't moved them until your reply - So I've now moved them into the right column, underneath whatever content is in that area at the time (in a similar vein to it currently being underneath the left sidebar content). I can "hard code" these to be switched on and they look ok there.