🟢 Materion is trading 12.9% up in pre-market — catalyst remains unconfirmed

Materion is trading at $247.37, up 12.89%, in pre-market on October 23; the catalyst remains unconfirmed.

• On October 22, shares declined 12.43% to $219.12.
• A report linked the prior-day specialty-alloy selloff to Carpenter Technology’s revenue miss, but did not establish the reason for Materion’s rebound. The broader pre-market backdrop is negative.