The share price of Denison Mines Corp. (NYSEAMERICAN:DNN) surged by 12.8% between September 16 and September 23, 2025, putting it among the Energy Stocks that Gained the Most This Week. Here is Why Denison Mines (DNN) Surged This Week Denison Mines Corp. (NYSEAMERICAN:DNN) is a uranium exploration and development company with interests focused in the Athabasca Basin region of northern Saskatchewan, Canada. Denison Mines Corp. (NYSEAMERICAN:DNN) shot up after uranium futures in the US surged to above $80 ...