text: Rite Aid Posts Profit, Reaffirms Outlook  NEW YORK (Reuters) - Drugstore chain Rite Aid Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=RAD.N target=/stocks/quickinfo/fullquote"&gt;RAD.N&lt;/A&gt;  on Thursday reported a quarterly profit, reversing a year-ago  loss, on strong cash flow and a reduction in inventory-related  expenses.