A little-known sports holding company has surged as high as 464% in days. Brera Holdings invests in football clubs across Europe. Now, the company plans to transition to a crypto treasury, and investors are loving it. The move: Brera Holdings stock has surged more than 450% in recent days. From its closing price on Wednesday of $7.65 per share to Friday's high of$43.14, the stock spike as much 464% before paring gains. Why: Brera, known mostly for investing in soccer clubs throughout Europe, is t ...