Lockheed Profit Jumps on IT, Jet Demand &lt;p&gt;\&lt;/p&gt;&lt;p&gt; NEW YORK (Reuters) - No. 1 U.S. defense contractor Lockheed\Martin Corp. &lt;LMT.N&gt; reported a 41 percent rise in quarterly\profit on Tuesday, beating Wall Street forecasts, as demand\soared for its combat aircraft and information technology\services.&lt;/p&gt;