Check out the companies making headlines after the bell:
SeaWorld Entertainment shares jumped more than 7 percent in the extended session after headlines broke saying that the company is considering a sale.
Shares of Zumiez increased 4.5 percent in extended trading after the company posted stronger-than-expected third quarter results.
FLIR Systems shares slipped 4 percent in the extended session after closing slightly higher during the regular system.
Conagra Brands stock rose nearly 3 percent after hours following a regular trading session that saw the stock rise nearly 1.7 percent.