Plug Power Inc., Sirius XM Holdings Inc., Photon Tech Intl Inc. and Embassy Oil Development Corporation Featured from Pennystocksites.com on April 14th, 2014

Miami, FL -- (SBWIRE) -- 04/14/2014 -- Pennystocksites.com a leading online financial newsletter source, Reports on the following Companies: Plug Power Inc. (NASDAQ:PLUG), Sirius XM Holdings Inc. (NASDAQ:SIRI), Photon Tech Intl Inc. (OTCMKTS:PHTO) and Embassy Oil Development Corporation (OTCMKTS:BITC).