Guy Kilty

The Winter Olympics formally opens today in not one, but two locations for the first time in the game's history.

The city of Milan and the ski resort of Cortina d'Ampezzo in the Dolomites.

Curling, one of the most popular sports with fans, has already begun.

If you've watched it, you'll know it's basically teams sliding heavy granite stones down a 150-foot ice sheet while their teammates brush in front of them with brooms.

Curling demands a very particular type of stone.

In fact, the stones used for the curling matches at every Winter Olympics and Paralympics have come from a small, uninhabited Scottish island, Ailsa Craig.

The BBC's Evan Davis spoke to Paul Davidson, chairman of Kay's Scotland, the company that makes them.

In the UK, I'm Guy Kilty with the Marketplace Morning Report from the BBC World Service.

Novo Nordisk's value dips as sales shrink.

Live from the UK, this is the Marketplace Morning Report from the BBC World Service.

I'm Guy Kilty.

Good morning.

Shares in the Danish pharmaceutical giant Novo Nordisk tumbled 17% on Wednesday after the pioneer of weight loss drugs warned of a decline in sales this year amid increasing competition and pressure on prices.

The firm said its outlook has been hit by rival weight loss drugs and the expiry of patents on the active ingredient in its Wegovi and Ozempic drugs in some markets.

Novo has lost two-thirds of its stock market value since June 2024, a fall of more than $400 billion.

My colleague Leanna Byrne has been speaking to Novo Nordisk's Chief Financial Officer, Carsten Knudsen, and she started by asking about the challenges facing the company.

Liana Byrne there speaking to Novo Nordisk's Chief Financial Officer Carsten Knudsen.

Let's do the numbers.

Walmart has become the first traditional retailer to hit a $1 trillion market valuation.

Its share price has almost doubled in the last 12 months, thanks to the success of its e-commerce platform and higher earners in the US trading down to lower-priced items.