Often happens with a JORC announcement, particularly with one so anticipated (and hyped). The share price was already maxed in expectation.
In any case, the Lithium is still in the ground and will be for a few more years.
This has the potential to be the biggest Lithium producer on the planet - but that's five years away. AVZ is a long hold for a few, but mostly a trader's stock for others.
IMO.
AVZ Price at posting:
13.0¢ Sentiment: Buy Disclosure: Held