Stocks End Flat; Intel Leaps After Bell  NEW YORK (Reuters) - U.S. stocks finished little changed on  Thursday, pausing after Wednesday's sharp rally. But after the  closing bell, 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; shot 7 percent  higher as the chip maker raised its revenue target.