Why Is PepsiCo's Stock Down 10% While the S&P 500 Is Up 13% in 2026? Here's the Only Answer I Can Think of.

PepsiCo's stock has underperformed the S&P 500 by 23 percentage points in 2026, declining 10% while the broader market gained 13%. The company faces headwinds from rising inflation, consumer belt-tightening, and shifting preferences away from snacks and packaged foods. More critically, PepsiCo is being outpaced by competitor Coca-Cola, which posted 6% organic sales growth in Q2 2026 compared to PepsiCo's 2.4%. Despite its status as a Dividend King with a 4.5% yield and strong fundamentals, investors remain cautious about the consumer staples sector.