Energizer Holdings said it has adopted a “poison pill” antitakeover measure with a 10% trigger, expiring about six months after the company completes its split into two entities.

This week on Amazon, you can pick up 32-count packs of Energizer AA and AAA alkaline batteries for 27% and 40% off, respectively, equivalent to the lowest prices they’ve been offered at all year.

St. Louis-based Energizer Holdings Inc., announced Friday it had adopted a limited duration shareholder rights plan, often called a poison pill. St. Louis-based Energizer Holdings Inc., announced ...

Suburban St. Louis-based Energizer Holdings on Tuesday introduced Energizer EcoAdvanced, described as the first disposable AA and AAA alkaline batteries made with recycled batteries.