Amazon's 4Q Sales Increase, But Fail to Meet Expectations

Amazon reported a 36 percent surge in fourth-quarter sales but still fell short of Wall Street's estimates, sending shares of its pricey stock sharply lower in after-hours trading. Amazon reported its first-ever quarter with more than $10 billion in sales; however, expectations were high as the company was seen benefiting from consumers increasing the number of purchases made over the Internet this holiday season.