“Money, Money, Money” —– ABBA, recorded and released 1976 Okay –I admit it. I’ve been eagerly waiting for the right time to mention ABBA for any reason in the Chairman’s Letter. Their 1976 release of “Money, Money, Money” was the second big hit for this Swedish pop group, following on the heels of “Dancing Queen.” Is it a stretch from money, money, money to Bitcoin and other forms of digital currency? Maybe. In the past week we have seen that the major futures exchanges believe in the development of cryptocurrency trading….