After-hours buzz: Yahoo, Krispy Kreme, MasterCard & more By: CNBC.com News December 08, 2015 at 17:29 PM EST Check out the companies making headlines after the bell Tuesday: Yahoo, Smith & Wesson & more. Read More >> Related Stocks: Alibaba Group Holding Ltd Costco Wholesale Dave & Buster's Entertainment Kinder Morgan MasterCard Wynn Resorts Yahoo