worrying reports for Donald Trump's campaign of what may be an impending cash shortfall. The Financial Times has calculated that he's raised $75mn less for his presidential bid than Joe Biden in recent months, and has 270,000 fewer unique donors than he had at the same stage of his White House run four years ago.

So what difference does money make when it comes to winning US elections?

Also, Ed Butler finds out why German sportswear giant Adidas hits huge profits from sales its Yeezy collection and what will be the cost of reconstruction of the Copenhagen's 17th-century old Stock Exchange.