I'm seeing a similar issue, but slightly different. I have points over parcels and when I select the parcel is selected and not the point when both are selectable. If I drag a box around the point it selects, but it won't select the parcel unless I cross a boundary which ends up picking up the parcel next to it.
The only way I have found to select both is to drag and select the point first then hold the shift key down and select the parcel.
This appears to be a bug.
The behaviour is slightly different if I use a PNG image from a symbol library as it also doesn't highlight the symbol (at least if the PNG includes a transparent background).
Dave