KMart Posts Profit; Cash Hits \$2.6 Bln  CHICAGO (Reuters) - Kmart Holdings Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=KMRT.O target=/stocks/quickinfo/fullquote"&gt;KMRT.O&lt;/A&gt; on Monday  reported its third consecutive quarterly profit and boosted its  cash pile to \$2.6 billion as it cut spending on advertising and  discounts, sending its stock up 14 percent.