WARNER <WCI> HAS 8.2 PCT BERKEY INC <BKY> STAKE Warner Communications Inc said its Warner Communications Investors Inc unit acquired stock and warrants representing 416,668 shares of Berkey Inc common stock, or the equivalent of 8.2 pct of the company's common stock outstanding. In a filing with the Securities and Exchange Commission, Warner Communications Investors said it paid about one mln dlrs to Berkey on September 23 to acquire 104,167 shares of Berkey Series B convertible preferred stock. The preferred stock is convertible into 208,334 Berkey common shares, and warrants to buy another 208,334 shares. Warner Communications and its subsidiary said the Berkey stock is held as an investment which they will review and evaluate from time to time.