	investor has pct of allegheny int l ag a group of firms and funds controlled by new york investor mario gabelli said it has uired the equivalent of shares of allegheny international or pct of the total outstanding in a filing with the securities and exchange commission the gabelli group said it bought the stake as part of its business and not in an effort to seek control of the company it said it may by more shares or sell some or all of its current stake the stake includes common shares and cumulative convertible preferred stock which could be converted into common shares reuter 
