Before the Bell: Ericsson Falls 6.8 Pct.  NEW YORK (Reuters) - Shares of Swedish company Ericsson  &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=ERICY.O target=/stocks/quickinfo/fullquote"&gt;ERICY.O&lt;/A&gt; fell 6.8 percent before the bell Friday after the  world's biggest producer of mobile phone networks reported a  big jump in third-quarter profits but said market growth would  slow next year.