Monday’s biggest gaining and declining stocks By: MarketWatch January 07, 2013 at 09:18 AM EST Epocrates, Cleantech and Combimatrix gain, while Illumina drops sharply. Amazon, Nationstar and Walter are the chatter on Twitter. Read More >> Related Stocks: Amazon.com Athena Technology Acquisition Corp Cl A Bank of America Illumina Inc Mitek Systems Inc Nationstar Mortgage Holdngs I