India, Aug. 4 -- McDonald's stock is under pressure as US sales growth slows. The main problem for McDonald's is its US business. Sales at US restaurants open for at least a year rose only 0.8% in the second quarter.

The 0.8% growth was weaker than expected. Analysts surveyed by LSEG had expected US comparable sales to increase by about 1.06%. US sales growth also slowed sharply from last year. Comparable sales had increased 2.5% a year earlier, helped by strong customer interest in McDonald's meals tied to "A Minecraft Movie."

The weaker sales show that many Americans are becoming more careful with their money. Higher prices for basic goods and fuel have left lower-income consumers with less money to spend on eating out, according to R...