** Shares of snacks and soda giant PepsiCo PEP.O see-saws in volatile premarket trading, last down about 2%

** The beverage maker beats estimates for Q2 revenue, benefiting from resilient demand for zero-sugar sodas

** Maintains fiscal 2026 forecast for organic revenue growth between 2% and 4%, core profit per share on constant currency basis to rise in the range of 4% to 6%

** "Results were tempered in the quarter as U.S. food and beverage category performance moderated with consumer budgets tightening due to rising inflationary pressures" - CEO Ramon Laguarta

** PEP posts Q2 core EPS of $2.20; analysts on average expected $2.21 - data compiled by LSEG

** Q2 revenue rose 6.4% to $24.18 bln versus est. $23.95 bln

** As of last close, stock down ~1% YTD