Viking Therapeutics' dual-formulation obesity program could capture the most profitable patient segment starting in 2027. At 29 times forward earnings, Lilly stock assumes flawless execution with no margin for competitive disruption.

Asda Online Doctor said it had seen a 350 per cent increase in demand for Mounjaro since Lilly announced the price rise on Thursday, while London-based MedExpress said it had seen a 40 per cent jump in orders, compared with a normal day. MedExpress’s website slowed as customers rushed to buy the drug, because of the “significant uptick in traffic”.