Investors love an acronym. In latest months they’ve embraced the TACO (Trump At all times Chickens Out) commerce. They as soon as swooned over the FAANG shares (Fb, Apple, Amazon, Netflix and Google). Throughout Europe’s sovereign-debt disaster of the 2010s merchants fretted over the PIIGS (Portugal, Italy, Eire, Greece and Spain). An excellent reminiscence for initials takes a monetary historian a good distance.