After-hours buzz: Cisco, Shake Shack & more By: CNBC.com News May 13, 2015 at 17:00 PM EDT Take a look at some of Wednesday's after-hours buzz: Cisco, Shake Shack & more Read More >> Related Stocks: Cisco Systems J C Penney Company Inc Jack IN The Box Inc KeyCorp Shake Shack Inc Vipshop Holdings Ltd ADR