Potential tie-up with meal-delivery firm Doordash was reportedly discussed but rejected in May

Shares in the UK food delivery company Deliveroo have risen after reports that US rival Doordash held takeover talks with the business, with analysts suggesting other bidders could come forward in the coming weeks.

The US meal-delivery group Doordash flagged an interest in a takeover of Britain’s Deliveroo last month, but talks ended because the two sides could not agree on the value of the deal, Reuters reported.

Alternatives to costly Wegovy and Saxenda will make such treatments more widely available worldwide

• Ozempic maker invests $4bn to meet US ‘skinny jab’ demand

Medicines that enable dramatic weight loss are likely to experience a new boom in uptake, experts have said, as the first generic versions hit the market this week at a lower cost than the original drugs.

The injections, dubbed “skinny jabs” by the media, can help people lose more than 10% of their body weight and have become hugely popular in recent years, with celebrities lauding their effects.