Textron Posts Profit, Raises Outlook  BOSTON (Reuters) - Diversified manufacturer Textron Inc.  &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=TXT.N target=/stocks/quickinfo/fullquote"&gt;TXT.N&lt;/A&gt; on Thursday posted a higher quarterly profit and lifted  its full-year earnings estimate on a strong performance by its  Cessna business jet division, sending its shares up nearly 5  percent.