BJ's Profit Rises, Stock Down on PPI Data  CHICAGO (Reuters) - BJ's Wholesale Club Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=BJ.N target=/stocks/quickinfo/fullquote"&gt;BJ.N&lt;/A&gt;, the  No. 3 U.S. warehouse club operator, on Tuesday posted a 13.8  percent increase in quarterly profit, helped by improved  merchandise and operations.