Tertiary Minerals is trading at £0.06, down 7.68%, with no specific catalyst established. - An October 16 report said the inaugural Mushima North drilling programme was complete; assays and quality checks remain pending. The announcement did not attribute any share-price movement to the news. - The latest listed RNS before that was an October 8 deeper-drilling plan, conditional on shareholder approval of a £1 million placing.