Today's biggest winners and losers in the stock market.

On this episode of Stock Movers:
- Dassault Systemes fell the most since 2002, after the French software company published fourth quarter figures below expectations and issued weak guidance for this year.
- Elliott Investment Management has built a stake in London Stock Exchange Group Plc as the FTSE 100 index owner grapples with disruption from artificial intelligence and a plunge in listings, a person with knowledge of the investment said.
- Heineken will cut about 7% of its global workforce, as the Dutch brewer contends with a drop in beer demand that is also affecting rivals as prices rise and consumers moderate their alcohol consumption.