Magna Acquires a producing mine from KGHMDundee owns 21% of Magna which is up over 30% today on this news. Dundee's investment in Magna has a market value of $40M (almost $0.50 per DC.A share). Dundee equity accounts for Magna so this value appreciation won't show up on Dundee's report NAV per share.
https://stockhouse.com/news/press-releases/2024/09/12/magna-mining-acquires-producing-copper-mine-in-sudbury-from-kghm-international