The full Amazon (AMZN) reaction history

AMZN news moved a median of +0.04% by the close. Every AMZN news event with the realized, point-in-time move the market made — the same measurement, headline by headline. Back to the AMZN overview →

Half of the 499 AMZN news events with a measured close landed between -0.78% and +0.95%; 52% closed up.

By year and event type

AMZN reaction counts across 4 years.

Event type2026202520242023Total
Press release8813214161422
SEC filing · Form 8-K1478231
SEC filing · Form 13F-HR344112
SEC filing · Form 10-Q23319
SEC filing · Form DEFA14A22206
SEC filing · Form 10-K11103
SEC filing · Form ARS11103
SEC filing · Form DEF11103
SEC filing · Form N-PX11103
SEC filing · Form SD11103
SEC filing · Form 8-A12B20002
SEC filing · Form CERT20002
SEC filing · Form S-420002
SEC filing · Form EFFECT10001
SEC filing · Form S-3ASR10001
All types12215316365503

Counts from the full measured window for AMZN, not just the free rows below — every event type we have labeled, year by year.

Archive pages

Older AMZN news pages.

Page 1 is the AMZN overview; pages 2–11 carry the rest of the measured list.

The 10 most recent AMZN reactions.

DateHeadlineEventSource5-minTo close
LaBelle Patrimoine Ancient Blend™ Ground Chicken Expands to Whole Foods Market Stores NationwidePress releasePR Web-0.20%—
Rachel Burke Named Executive Director of Global Animal PartnershipPress releasePR Web-0.21%-0.75%
Form 8-A12B AMAZON COM INCSEC filing · Form 8-A12BSEC EDGAR+0.60%+1.46%
Form CERT AMAZON COM INCSEC filing · Form CERTSEC EDGAR+0.62%+0.46%
Merchants Can Now Add Fast, Free Prime Delivery to Their Websites and Save Up to 25% on Fulfillment Fees with Amazon Supply Chain ServicesPress releaseBusiness Wire+0.60%+1.46%
Whole Foods Market Unveils the 2026 Local and Emerging Accelerator Program Early Growth CohortPress releaseBusiness Wire+0.60%+1.46%
The Climate Pledge Fashion Coalition Launches with Amazon, Stella McCartney, World Economic Forum, and Canopy, Bringing Together More Than 60 Industry Leaders to Accelerate Climate Innovation Across FashionPress releaseBusiness Wire-0.72%-1.57%
Amazon Invests Another $1.9 Billion in the Delivery Service Partner Program with New Safety Initiatives and AI-Powered TechnologyPress releaseBusiness Wire-0.55%+0.95%
Amazon and No Kid Hungry Deliver More Than 2 Million Meals to Families in Rural Communities This SummerPress releaseBusiness Wire-0.18%+0.01%
Amazon raises minimum starting pay for full-time core operations employees to $20/hour, with average pay reaching nearly $24/hour, and launches grocery discount and access to new lifetime banking benefits to make everyday life more affordablePress releaseBusiness Wire-0.35%-0.87%

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More AMZN: earnings → · analyst actions → · SEC filings → · AMZN overview →

Other Consumer Discretionary names, measured the same way

TickerEventsMedian 30-min% positive
Home Depot (HD)2,000+-0.03%48%
Tesla (TSLA)2,000+-0.10%48%

Same sector, same measurement: percent move vs. the price at the news timestamp, read at 30 minutes. Sample sizes differ, so the medians are comparable but the confidence behind them is not.