AMZN ▼ -9.8% - Amazon.com, Inc. $AMZN blames an earlier Prime Day for its Q3 advertising revenue miss. Ad revenue grew 12% YoY to $19.64B, below the $20.82B expected. Amazon says the earlier Prime Day pulled advertising spending into Q2, creating an 850bps sequential drag on Q3 growth 29-OCT-2026 05:49 PM ET