Stocks Open Flat Amid 'Fiscal Cliff' Caution By: CNBC.com News November 30, 2012 at 09:30 AM EST Stocks struggled for direction at the open on the final trading day of November, with investors cautious over the looming "fiscal cliff." Read More >> Related Stocks: Apple Bank of America Facebook Hewlett-Packard Whole Foods Market Yum Brands Zynga Inc Cl A