From the Oct. 26 earnings call for the quarter ended Sep. 30, 2023...

Sales:
Increased by 13% year-over-year, reaching $143.1 billion. This was a record quarter for Amazon in terms of sales.

Key drivers: Growth was fueled by strong performance in all three segments:
North America: Sales grew 11% year-over-year to $87.9 billion.
International: Sales grew 16% year-over-year to $32.1 billion.
Amazon Web Services (AWS): Sales grew 12% year-over-year to $23.1 billion.

Earnings:
Non-GAAP EPS: Increased by 20% year-over-year to $0.94 per share. This reflects a significant improvement over the previous year's non-GAAP EPS of $0.79.

Based on the current price of ~$153, Amazon has a forward P/E of 39, so it's (non-GAAP) PEG ratio is around 2.0.

Advertising has been the fastest-growing business segment for Amazon over the past few quarters, Other revenue drivers include:
* Increased customer demand
* AWS revenue recovery, including new services related to AI/ML. Amazon also makes custom chips for training and inference.
* Expansion into new markets
* Diverse product offering
* Increasing leverage for retail business
* Cost discipline for big bets outside core businesses