A bitcoin stock listed on the London Stock Exchange has soared by 300 percent to hit its 11-month high. Shares of UK-based Argo Blockchain PLC (LON: ARB) today established a year-to-date peak of $10.96, bringing its maximum yearly gains close to 328 percent. At its weakest, the stock was trading at $2.54 in February 2019,...The post Self-sufficient London Bitcoin Stock Swells by 300% appeared first on NewsBTC.