Amazon's first-quarter AWS sales fell short of expectations, and the second-quarter operating profit guidance is disappointing, with the stock price dropping over 4% in after-hours trading

Amazon's EPS for the first quarter is $1.59, while analysts expected $1.36.

Net sales for the first quarter reached $155.7 billion, with analysts expecting $155.16 billion.

Net sales in North America for the first quarter were $92.89 billion, compared to analysts' expectations of $92.63 billion.

Net sales from physical stores in the first quarter amounted to $5.53 billion, while analysts anticipated $5.41 billion.

Net sales from AWS in the first quarter were $29.27 billion, with analysts expecting $29.36 billion.

AWS net sales grew by 17% in the first quarter after excluding exchange rate factors, while analysts expected a growth of 17.2%.

Advertising business grew by 19% in the first quarter.

Operating profit for the first quarter was $18.4 billion, while analysts expected $17.51 billion.

The operating profit margin for the first quarter was 11.8%, compared to analysts' expectations of 11.2%.

Net sales for the second quarter are expected to be between $159 billion and $164 billion, while analysts expect $161.42 billion.

Operating profit for the second quarter is expected to be between $13 billion and $17.5 billion, while analysts expect $17.82 billion.

The performance guidance includes an impact of approximately 10 basis points due to exchange rate factors.

Amazon (AMZN) fell 4.47% in after-hours trading