Jefferies obviously GCN shareholders have nothing to worry about. The company has not made any annoucememts to the market as per ASX listing rules 3.1 & 3.1a so it must be all good.
"Would a reasonable person expect the information to have a
material effect on the price or value of the entity’s securities?"
http://www.asx.com.au/documents/rules/abridged-continuous-disclosure-guide-clean-copy.pdf