There is a lot to like in the way PepsiCo manages cash flows and shareholders' funds - but is that enough to buy into its growth story? PepsiCo generates about half of its revenue in the US, so it will likely be faced with a few headwinds into 2016, just as it has happened so far this year - during which its shares have risen 5%, however, outperforming those of its chief rival Coca-Cola by about 6.1 percentage points.