United Technologies Profit Rises 13 Pct  BOSTON (Reuters) - Diversified manufacturer United  Technologies Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=UTX.N target=/stocks/quickinfo/fullquote"&gt;UTX.N&lt;/A&gt; posted a 13 percent rise in  quarterly profit on Wednesday and lifted the low end of its  full-year earnings forecast range, helped by strong demand for  Otis elevators and aerospace equipment.