Asian and European stock markets were largely getting off to a good start to a holiday-shortened Christmas week. Bargain hunting was in evidence as Novo Nordisk rose following a sharp drop for the weight-loss drug maker the previous week. The top performer in the index was Denmark’s Novo Nordisk, rising 8.9% after a 27% slump on Friday in response to an underwhelming set of results from a Phase III trial of its new weight-loss drug CagriSema.