Although Amazon (NSDQ: AMZN) was able to beat an analysts’ consensus forecast of $0.25 per share earnings, shares were still down as much as 14 percent in after hours trading, which Marketwatch attributed to a poor Q4 outlook. That said, compared to some others, Amazon reported healthy Q3 numbers, as net income grew 48 percent to $118 million, or $0.27 per diluted share, compared with net income of $80 million, or $0.19 per diluted share, last year. Revenue was up 31 percent to $4.26 billion, missing analysts’ estimates of $4.28 billion. Amazon had offered revenue guidance of a range between $4.2 billion and $4.43 billion.

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—Outlook: Q4 net sales are expected to be between $6.0 billion and $7.0 billion, or to grow between 6 percent and 23 percent compared with Q407. For the full year, net sales are expected to range from $18.46 billion and $19.46 billion, or to grow between 24 percent and 31 percent compared with 2007.

—Operating income,: Amazon anticipates Q4 to be between $145 million and $305 million, or between a 46 percent decline and 13 percent growth compared with the same period the year before. And for the full year, Amazon says operating income is expected to be between $716 million and $876 million, or to grow between 9 percent and 34 percent compared with 2007.

More from Amazon’s Q3 results after the jump.

Release | Webcast (5:00 PM EDT) | Transcript