After-Hours Buzz: P, MFRM & More By: CNBC.com News December 04, 2012 at 14:53 PM EST Check out which companies are making headlines after the bell Tuesday: Read More >> Related Stocks: Aerovironment Inc Altera Corp Bristol-Myers Squibb Chart Industries IN Honeywell International Intrepid Potash Inc Pandora Media Inc Powell Inds Inc Staples