Monzo, the U.K. challenger bank now with more than 4.8 million customers, has closed another £60 million in funding, priced the same as and effectively an extension of the its previous top-up round in June. This saw Monzo valued by private investors at around £1.2 billion, marked by industry observers as a down round. It was lower than the upstart bank’s previous — perhaps overheated — valuation, before the Coronavirus pandemic skewed leverage in favour of investors or forced a legitimate fintech market correction, depending on your perspective. The new…