Tom Lee, left, chair of Bitmine, and Dan Ives, chair of Eightco Holdings. Bitmine has agreed to buy a 20millionstakeinEightco.−JonKopaloff/GettyImagesAloss−makingassetmanagersawitsstockleaponTuesdayinjustthelatestexampleofhowacorporateannouncementofthepurchaseofadigitalassethassparkedsensationalreturns.CaliberCossharesCWD,whichendedMondayat2.15, soared by over 1,000% to around $35 in early New York following the company’s announcement that it has purchased ...