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Talk of a stock market bubble is growing louder. These stocks are some of the priciest in the S&P 500.
Amazon.com may be one of the world's largest e-commerce players, but it's not all that profitable.
That explains the Jeff Bezos-run company's lofty P/E ratios.
Sales have exploded from $24.5 billion in 2009 to as much as $91 billion this year as Americans continue to shop online. But Amazon.com (AMZN) posted a net loss in 2012 and is expected to earn less than $500 million this year.
Related: Amazon's long-rumored e-book service now a reality
Perhaps that's why after spiking 45% in 2012 and then 59% last year, the Seattle e-commerce giant is down 10% thus far in 2014.
Still, Wall Street isn't giving up on one of the great tech success stories of the past two decades. About 70% of the analysts who cover Amazon.com have "buy" ratings on the stock and their average price target of $410.21 is about 14% above its recent price.