PepsiCo reported better-than-expected earnings and revenue in the second quarter and expressed confidence that new and revamped products can boost its lagging North American sales in the second half of this year.

In a conference call with investors Thursday, PepsiCo Chairman and CEO Ramon Laguarta said the company plans to introduce protein-enhanced versions of snacks like Pop Corners in the next few months and will eventually make high-protein versions of some of its biggest sellers. Protein beverages are also going on sale later this year.

"Consumers are adopting protein solutions in their diets at a pace that was not the case in a few years back," Laguarta said. "We can provide democratized solutions at large scale. That's what we're trying to do."

Laguarta said a relaunch of Lay's p

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