Stocks lower amid data, earnings; Greece eyed By: CNBC.com News April 16, 2015 at 09:33 AM EDT U.S. stocks opened lower, following a decline in European equities, as investors digested domestic data and eyed renewed concerns about Greece. Read More >> Related Stocks: American Express BlackRock Blackstone Inc Cit Group Inc Citigroup Comerica Etsy Inc Goldman Sachs Group Honeywell International Mattel Microsoft Netflix Philip Morris International Schlumberger Ltd Sentinelone Inc Cl A Servicenow Inc Synchrony Financial UnitedHealth Group