Stocks making the biggest moves after hours: Costco, Eventbrite and more By: CNBC.com News March 07, 2019 at 17:09 PM EST See which stocks are posting big moves after the bell on March 7. Read More >> Related Stocks: American Outdoor Brands Corp Camping World Holdings Inc Costco Wholesale El Pollo Loco Eventbrite Inc Marvell Technology Inc Okta Inc Cl A Symantec Corp