Why Is Amazon Stock Rallying Today? AMZN +13.21% (Jul 31)

Analysis Date: July 31, 2026. Amazon (AMZN) shares rallied +13.21% today in a sharp uptrend. Here's the reason for the Amazon share-price increase today — why is AMZN stock up today?

Ticker
AMZN
Company
Amazon
Direction
Up
% Change
+13.21%
Date
July 31, 2026

Amazon (AMZN) surged more than 13% on July 31, 2026, following a strong second-quarter earnings report that exceeded analyst expectations across multiple segments.

  • Q2 Revenue Growth: Amazon's revenues climbed 20% year-over-year, reflecting broad-based strength in its business.
  • AWS at an 18-Quarter High: Amazon Web Services posted its highest growth rate in 18 quarters, underscoring accelerating demand for cloud infrastructure.
  • Wall Street Reaction: Analysts highlighted expanding margins and the durability of Amazon's cloud and advertising segments as key positives.
  • Valuation Context: Some analysts noted the stock is now priced to reflect significant future earnings payback, suggesting elevated expectations going forward.
  • Broader Significance: Amazon's results are viewed as a proxy for cloud infrastructure demand and consumer spending trends more broadly.

As always, past performance is not indicative of future results. This content is for educational purposes only and is not investment advice.

AMZN intraday price — July 31, 2026Amazon (AMZN) intraday price on July 31, 2026: opened at $264.80, ranged $262.09 to $272.04, last $266.59 at 11:40 AM ET — up 13.08% versus the previous close of $235.75. IEX data, 15-minute delayed.$271.63$267.02$262.40Prev close $235.75$266.59+13.08%9:00 AM ET11:40 AM ET
AMZN trading snapshot — July 31, 2026. IEX data, 15-minute delayed.
Previous close$235.75
Open$264.80
Intraday high$272.04
Intraday low$262.09
Last price at trigger$266.89
Change vs previous close+13.21%
  1. Amazon's Q2 revenues jumped 20% year-over-year, driving the sharp stock move.Zacks Investment Research
  2. AWS growth hit an 18-quarter high in Q2 2026.Zacks Investment Research
  3. Amazon's growth accelerated in Q2, contributing to the stock's explosive move.Seeking Alpha
  4. Wall Street analysts responded with renewed enthusiasm following the earnings report.TradingView
  5. Some analysts noted the stock is priced to reflect significant future earnings payback.Trefis
Why is Amazon stock up today?

Amazon (AMZN) shares rallied +13.21% on July 31, 2026. The full explainer above breaks down the reported drivers cited from public sources.

Why did AMZN surge today?

According to the cited sources, the move on July 31, 2026 was driven by the catalyst summarized in the explainer. See the Sources list below for primary references.

What caused Amazon stock to jump today?

Amazon (AMZN) surged more than 13% on July 31, 2026, following a strong second-quarter earnings report that exceeded analyst expectations across multiple segments.

AMZN stock news today?

Amazon shares closed up +13.21% on July 31, 2026 — a increase of 13.21% from the prior close.

Is this investment advice?

No. Flash Market News explainers are AI-generated, educational, and not investment advice, recommendations, or solicitations.