The original version of the is report contained the incorrect percentage of the net income decline.

SAN FRANCISCO (MarketWatch) -- Amazon.com Inc. AMZN, -0.91% on Thursday reported a fiscal second-quarter profit of $7 million, or a penny a share, on revenue of $12.83 billion. During the same period a year ago, the online retailer earned $191 million, or 41 cents a share on $9.9 billion in sales. Analysts surveyed by FactSet Research had forecast Amazon to earn a penny a share on $12.9 billion in sales for the quarter ended June 30.