Looking, this is debatable: "Every news that is sent out to the market has to go through market regulators' hands before it is disclosed to the public".

This is at the bottom of most news releases for Venture companies at least, including the last one from Poet

"Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release."