** Shares of McDonald's MCD.N rise 3% at $307.70 before the bell
** Company beats estimates for Q2 global comparable sales, helped by rise in demand for affordable meal bundles
**The burger chain posts a 3.8% rise in same-store sales globally, above estimates of a 2.4% rise, as per data compiled by LSEG
** Records a 2.5% rise in U.S. comparable sales compared to a 0.7% decline in the prior year
** Adjusted net income rises 7% from a year ago to $2.29 billion, or $3.19 per share
** A day earlier, KFC owner Yum Brands YUM.N missed analysts' estimates for the second quarter, hurt by higher costs and muted demand
** Up to last close, stock up ~3% YTD