After-hours buzz: WD-40, Brocade, Zumiez & more By: CNBC.com News January 07, 2015 at 17:19 PM EST Check out which companies are making headlines after the bell Wednesday: WD-40, Brocade, Zumiez, GM & more. Read More >> Related Stocks: Alexion Pharmaceuticals Biogen Idec General Motors W D 40 Company Zumiez Inc