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.
- Beazley shares rise as much as 9.1% to hit a record high, as the Lloyd’s of London insurer agrees in principle to a sweetened £8 billion ($11 billion) takeover proposal from Zurich Insurance Group.
- Carlsberg widened its operating profit outlook compared with last year in a move reflecting the brewer’s cautious stance over future demand for its drinks.