[Hut 8 Mining surges over 18% pre-market after signing a $7 billion leasing agreement with Fluidstack] BlockBeats reports that on December 17, Bitcoin mining company Hut 8 saw its U.S. stock rise over 18% pre-market, with its market capitalization reaching $3.981 billion. According to the news, Hut 8 has signed a 15-year leasing agreement worth $7 billion with Fluidstack, under which it will lease 245 megawatts (MW) of IT computing capacity from its River Bend data center campus to Fluidstack. As part of the agreement, Fluidstack has also secured a right of first offer (ROFO) for up to an additional 1,000 MW of IT capacity during future expansion phases of the campus, contingent upon the corresponding expansion of the campus's power supply capacity.