Before-the-Bell: Intel Shares Fall  NEW YORK (Reuters) - Shares of Intel Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=INTC.O target=/stocks/quickinfo/fullquote"&gt;INTC.O&lt;/A&gt; fell  more than 7 percent before the opening bell on Friday, a day  after the technology bellwether slashed its quarterly sales  outlook, and other technology stocks moved lower in tandem.