After decades of unreliable profits, Amazon has had four consecutive quarters with profits over $1 billion, and a net income of $2.9 billion in Q3. Although the numbers exceeded analysts’ expectations, the e-commerce giant also revealed that revenue in its core retail business was below expectations, with sales up 29 percent to $56.6 billion, and sales in its online store rose only 11 percent over the last year, half the pace of a year ago. As a result, discontent investors recently dropped shares 7 percent in aftermarket trading. Continue reading Amazon Seeks Efficiency While Investing in New Businesses