Jake Greenberg firm Cobalt Holdings set for London listing Business The co-founder of uranium firm Yellow Cake’s new venture, Cobalt Holdings, is looking to float in London as early as May. The Times reports that Jake Greenberg’s firm is looking to raise £180m to buy up $200m (£155m) of Cobalt from Glencore in a six-year supply deal. Glencore is set to be a cornerstone investor, [...]