Why You Should Run (Don't Walk) Away from Denison Mines DNN – Because uranium prices remain at low levels, due primarily to weak demand, Denison Mines’ (DNN) uranium mining business could continue to suffer. Furthermore, we think the company’s high operating costs and staggering losses resulting from a temporary suspension of production do not justify its lofty stock valuation. Read ahead to learn more. Jun 3, 2021 Headquartered in Toronto, Canada, Denison Mines Corp. (DNN) is a uranium exploration and development company. It has a 90% ownership position in the flagship Wheeler River project, the largest undeveloped uranium project in the Athabasca Basin region. As a result of the temporary suspension of production at its Cigar Lake mine in response to the pandemic, the company suffered a substantial decline in its mining revenue in the first quarter of 2021. Closing yesterday’s trading session at $1.26, DNN’s stock is trading 30.4% below its $1.81 all-time high, which it hit on February 17.