Ericsson warned Wall Street that it expects to just hit the lower end of its performance forecast. The company said it had expected sales for the quarter to be between $8.38 billion and $9.49 billion. Last year the company reported Q4 sales of about $8.5 billion. The warning caused Ericsson's shares to decline in early morning trading.

For more on the forecast:
- read this article from the WSJ (sub. req.)