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The poison pill—and other ways Twitter could fight an Elon Musk takeover Twitter's board still may have a few options left to prevent Elon Musk from taking over the company.

The poison pill will only activate if Elliott ... and has said it is studying massive changes to its longstanding business model by potentially adding seating assignments and even premium seating.

Cosmo Energy Holdings' shareholders approved a "poison pill" takeover defense on Thursday ... which called for a spin-off of Cosmo's renewable energy business and a consolidation of its refineries ...

New details in Warner Bros. Discovery’s lawsuit against the NBA were revealed thanks to a court filing on Friday. Warner Bros. Discovery’s lawsuit against the NBA is proceeding on schedule.

Copper producer Sierra Metals adopted a shareholder-rights plan to fend off a possible hostile bid from privately-held miner Alpayana. The poison pill is aimed at protecting the company against ...