"If you were a 'chartist' you would be betting another sudden drop was imminent, but that ain't scientific."
Momentum my friend. Look it up. From a chartist perspective '98 was a bubble, now this is a sustained rise on increasing volume.
The gunsmoke has cleared, bodies are in the morgue, perpetrators are mostly tried, except a couple of village idiots from the Murdoch / Fossil Fuel gang still causing public nuisance.