How to Know If You Should Buy or Sell Amazon

One word -- patience -- provides the answer.

Did investors fool themselves?

Photographer: Lisa

After missed analysts’ quarterly profit forecasts Thursday, investors lopped as much as 10 percent off of its stock price, the most in a year. The company reported fourth-quarter net income that more than doubled to a record $482 million from a year earlier; revenue rose an astonishing 22 percent to $35.7 billion. Revenue in cloud services sales soared 69 percent to $2.4 billion.

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