AstraZeneca Plummets, BP Falls, Siltronic Rises

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

On this episode of Stock Movers:

- AstraZeneca shares plummeted as much as 7.8%, their lowest level since October 2025, after it was said to have explored an acquisition of Bristol-Myers Squibb, in a potential mega-deal that would rank as the largest ever in pharma.  

- BP shares fell after it completed the sale of its Gelsenkirchen refinery and related businesses to Klesch Group, marking another step in the oil major’s strategy to simplify its portfolio. 

- Siltronic shares rise after the stock received at least five analyst rating upgrades last week following its better-than-expected results.

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