After-hours buzz: IBM, Fortinet, Lam & more By: CNBC.com News April 20, 2015 at 17:26 PM EDT Check out the companies making headlines after the bell Monday: IBM, Fortinet, Lam Research & more. Read More >> Related Stocks: Brookfield Asset Management Fortinet Inc Hormel Foods International Business Machines Lam Research Rogers Communications Sanmina Corp