Kroger Profit Edges Up, Misses Forecast  NEW YORK (Reuters) - Kroger Co. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=KR.N target=/stocks/quickinfo/fullquote"&gt;KR.N&lt;/A&gt;, the top U.S.  grocer, on Tuesday reported that quarterly profit edged up as  it kept a tight rein on expenses and sales rebounded.