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

On this episode of Stock Movers:
- Novo Nordisk shares plunged after the company shocked investors by forecasting a steep decline in sales, evidence of an intensifying price war in obesity drugs.
- Santander drops as much as 5%, the biggest intraday drop since October, after the Spanish lender announced the acquisition of Webster Financial in a $12 billion deal.
- LSEG dips after yesterday's sell-off in software and financial services stocks following Anthropic's announcement of a new AI tool to automate legal work.

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