DaimlerChrysler Operating Profit Rises  FRANKFURT (Reuters) - DaimlerChrysler's &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=DCXGn.DE target=/stocks/quickinfo/fullquote"&gt;DCXGn.DE&lt;/A&gt;  third-quarter operating profit rose 7 percent, just below  analyst expectations, as gains at U.S. arm Chrysler helped  offset weaker earnings at premium carmaker Mercedes.