New York-based Engine Capital wants to persuade the family that controls the Wilmington company to put it up for sale.

Tucked away on Indianola Avenue in Columbus sits a secondhand paradise where treasure hunters can still fill shopping bags without emptying their wallets.

This vibrant orange and red building houses one of Tucson’s most beloved secondhand shops. Buffalo Exchange is different from typical thrift stores because they’re pickier about what they accept. This ...