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

On this episode of Stock Movers:

- BW Offshore shares fell as much as 16%, the most since March 2020, after the Norwegian offshore services firm cut its full-year guidance for Ebitda.

- Banca Generali shares slumped after it said it is evaluating an unsolicited bid from Banca Monte dei Paschi di Siena, as part of Monte Paschi Chief Executive Officer Luigi Lovaglio’s attempt to create a massive new Italian bank. 

- Shell shares fall after the Financial Times reported that its US chemicals assets have drawn interest from potential bidders including ExxonMobil, LyondellBasell, Apollo and Kuwait Petroleum Corporation’s chemicals arm.