Shares of Amazon closed up more than 6% Friday after the company released third-quarter earnings that beat analysts’ estimates and showed the company’s cost-cutting efforts are working.
Amazon’s revenue rose 13% to $143.1 billion in the third quarter. The company’s net income more than tripled to $9.9 billion, or 94 cents a share, from $2.9 billion, or 28 cents a share, a year earlier. Amazon’s earnings of 94 cents per share far exceeded the…