Stocks open lower with Ukraine in focus By: CNBC.com News August 12, 2014 at 09:30 AM EDT U.S. stocks opened lower on Tuesday amid geopolitical concerns from developments in Ukraine and Russia. Read More >> Related Stocks: Advance Auto Parts Inc Agilent Technologies Cisco Systems Estee Lauder Co IAMGOLD Corporation J C Penney Company Inc NetApp Nordstrom Sentinelone Inc Cl A Wal-Mart Stores, Inc.