PEPSICO UNIT <PEP> LIFTS <CALNY.O> STAKE Taco Bell Corp, a unit of Pepsico Inc, said it increased its stake in Calny Inc common stock to 1,349,884 shares, or 27.9 pct of the total outstanding, from a previous figure of approximately 1,230,107 shares, or 25.4 pct. In a filing with the Securities and Exchange Commission, Taco Bell said it bought 119,867 Calny common shares on October 15 and 16 at 10.75 dlrs a share. No reason was given for the recent purchases.