At times championed by Elon Musk, dogecoin rallied sharply this week after its supporters encouraged buying of the currency to mark a day celebrating cannabis on Tuesday. Dogecoin slipped later, reducing its overall market value from intra-week peaks above $50bn to $28bn. Elsewhere, another example to emerge has been the stunning rise in Hometown International, the owner of a humble deli in Paulsboro, New Jersey, that recently topped a $100m share market valuation.

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