Starboard takes $1B stake in Pfizer

Activist Starboard takes $1B stake in Pfizer (PFE) - report. (00:23) Rio Tinto (RIO) makes takeover approach to Arcadium Lithium (ALTM). (01:25) ‘Joker’ (WBD) sequel tops box-office sales despite brutal reviews. (01:56)

Episode transcripts seekingalpha.com/wsb.

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Biggest stock movers Monday: PFE and ALTM
Regeneron co-founder warns of harms from weight-loss drugs: FT
BP said to eye raising oil production as it scales back clean energy strategy
TotalEnergies to acquire 50% stake in North Sea wind projects

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