How it has propelled its maker, Novo Nordisk, to become Europe’s most valuable company — With a market cap of over $400B, Danish company Novo Nordisk became the largest company in Europe last Friday. Not a fashion company (LVMH or Inditex), semiconductors (ASML), tech (SAP), oil (Shell or Total), industrial conglomerate (Siemens), financial services (Allianz, BNP, HSBC), or CPG (Nestle, Unilever), but Novo Nordisk. Three…