NEW YORK (CNNMoney.com) -- Shares of Amazon.com jumped in after-hours trading Thursday after the online retailer easily topped Wall Street's expectations during the fourth-quarter holiday shopping season.
Net income for the three months ending Dec. 31 jumped 71% to $384 million, or 85 cents per share. Revenue rose 42% to $9.5 billion from a year ago.
Analysts polled by Thomson Reuters were looking for earnings of 72 cents a share on sales of $9 billion.
As part of the earnings release, Amazon CEO Jeff Bezos highlighted the success of his company's Kindle electronic reader. "Millions of people now own Kindles," he said in a prepared statement. "We sell 6 Kindle books for every 10 physical books."
Looking ahead, Amazon forecast first-quarter sales between $6.45 billion and $7 billion, which is well above analysts' expectations of $6.36 billion.
Amazon.com (AMZN, Fortune 500) shares rose 2% after the closing bell after adding $3.28 to end at $126.03 in regular trade. 
| Index | Last | Change | % Change |
|---|---|---|---|
| Dow | 32,627.97 | -234.33 | -0.71% |
| Nasdaq | 13,215.24 | 99.07 | 0.76% |
| S&P 500 | 3,913.10 | -2.36 | -0.06% |
| Treasuries | 1.73 | 0.00 | 0.12% |
| Company | Price | Change | % Change |
|---|---|---|---|
| Ford Motor Co | 8.29 | 0.05 | 0.61% |
| Advanced Micro Devic... | 54.59 | 0.70 | 1.30% |
| Cisco Systems Inc | 47.49 | -2.44 | -4.89% |
| General Electric Co | 13.00 | -0.16 | -1.22% |
| Kraft Heinz Co | 27.84 | -2.20 | -7.32% |
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