Boom, bust and boom again for rare earths? reports that all commodity markets are prone to boom and bust cycles, but few have been as spectacular as that experienced by rare earths at the turn of the decade. Prices of such exotic components of the periodic table as dysprosium and terbium increased by multiples over 2010-2011 before collapsing just as quickly.

Five subsequent years of low-scale range-trading have seen rare earths slip off the collective investment radar, their place taken by new “hot” metals such as lithium and cobalt. But now they’re back. Or at least a couple of them are.