Amazon posts massive sales for Q4 2013, but sees tiny profits

Amazon has revealed its Q4 2013 earnings, with a huge $25.59 billion in sales, which is up 20% compared to the same three-month period in 2012. The US retail giant posted just $510 million of that $25.59 billion in sales as operating income, which is up 26% year-over-year. As for its net income for the quarter, it saw $239 million.

The company is also reporting a record-setting holiday season for its Amazon Prime shipping service, which the company says it now has "tens of millions of members".