Market Close: Stocks Tumble, Walmart's Worst Day In 4 Years, Upbeat Economic News 8-20-2026

• Major indices (Dow, S&P 500, Nasdaq) experienced significant drops, marking the worst day of August.
• Walmart's stock fell 9% due to a sales shortfall and concerns over rising fuel costs impacting consumers.
• Rising Treasury yields and oil prices, along with uncertainty surrounding a new Fed Chair, contributed to market declines.
• Positive economic news included a drop in jobless claims and a rise in leading economic indicators, while Deere reported strong earnings.

The market experienced its worst day in August, with major indices falling due to rising Treasury yields, higher oil prices, and Walmart's significant sales shortfall. Uncertainty surrounding a new Fed Chair also contributed to market volatility, despite some positive economic indicators and strong earnings from Deere.