Shares of Dominion Diamond (DDC) were climbing by 4.48% to $13.29 in pre-market trading on Monday, after the diamond mining company announced this morning that it is exploring its strategic alternatives, which could include the sale of the company or other strategic transactions.

"While the board of directors remains confident in the company's long-term strategic plan and the opportunity it provides to enhance value for all shareholders, we are open to exploring all strategic alternatives that are in the best interests of the company and its stakeholders," the company's chairman James Gowans said.