	steinberg group has five pct of pizza inn pza a group controlled by new york investor saul steinberg told the securities and exchange commission it has uired shares of pizza inn inc or pct of the total outstanding common stock the group which includes reliance financial serivces corp a subsidiary of reliance group holdings inc rel said it bought the stock as an investment it said it might add to its stake or sell some or all of it the steinberg group said it bought the stock for mln dlrs in open market purchases between april and may at prices ranging from to dlrs a share reuter 
