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marketsAugust 4, 20264 min read

Amazon Stock Surges 15% in One Day: What Hedge Funds Knew

Amazon added $440 billion in market value in a single session — more than Austria's entire annual GDP. AWS grew 35%, the fastest pace in two years, while insiders didn't sell.

Thomas Bergmann
Thomas Bergmann·Senior Market Analyst

When the market closed Friday, Amazon was worth $440 billion more

Anyone holding Amazon stock on Thursday night woke up 15% richer on Friday. $440 billion in market value — in one session. That's more than Austria's entire annual GDP. Just like that.

What happened? Amazon reported numbers that surprised even optimistic analysts. The cloud division AWS — the business where Amazon rents computing power to other companies — grew 35%. The fastest growth in two years. And: Amazon's proprietary AI chips have crossed the $25 billion revenue mark.

The story behind it: Who bought — and why now?

Hedge funds and large institutional investors had already massively increased positions before the numbers. Insider data shows: In the two weeks before the earnings call, hundreds of millions of dollars flowed into Amazon stock. Tech insiders have been selling heavily — at NVIDIA, executives dumped over $410 million in shares. But not at Amazon.

Why? The big players believe Amazon has the most stable business model in tech with AWS. While NVIDIA depends on a few large customers (Microsoft, Meta, Google), Amazon rents cloud capacity to millions of companies — from startups to corporations. More diversified. More crisis-proof. And now, with the AI boom, more profitable too.

What impresses me about this story: Amazon didn't just beat a forecast — the company showed it's not just watching the AI race, it's competing. Proprietary AI chips now generating $25 billion in revenue. That's real diversification.

What this means for you

If you had $10,000 in Amazon stock, it became $11,500 overnight. Sounds good — but here's the point many miss: This move was predictable for professionals. AWS growth was strong, cloud demand was there, the numbers were on the table. Anyone who understood the business could see this move coming.

That's exactly the difference between "I hope it goes up" and "I understand why it could rise." Professionals don't buy because they hope. They buy because they have data.

And now? Amazon is at $272. The question is: Is this the new fair price — or just euphoria? Wall Street analysts set the average price target at $312. That would be another 15% upside. But: The last three times a tech stock rose over 10% in one day after earnings, a correction followed in the next two weeks. Not because the business was bad — but because professionals take profits.

How professionals are reacting

Large investors are now moving cautiously. Some are taking profits — anyone who entered at $235 is now sitting on a fat gain. Others are hedging: They're buying put options with a strike price of $260, in case the euphoria flips.

What I find interesting about this strategy: These hedge funds still believe in Amazon — they're just hedging against the next two weeks. They're not expecting a crash, but volatility. That's the difference between panic selling (what my buddy Kalle always does) and professional risk management.

First steps for beginners

If you're now considering getting into Amazon: Be clear about what you're buying. Amazon is no longer just an online shop — AWS generates almost all the profit. Understand the business model. And: Don't buy after a 15% move out of FOMO. Wait for a calmer phase.

For those thinking long-term and investing broadly (ETFs, not single bets), this story is primarily one thing: a sign that cloud and AI are real business models. Not just hype.

I bought the T-share at 100 euros in 2000 and watched it fall to 8 euros. Back then I also thought "now or never." Today I know: Patience beats FOMO. Always.

Note: This article is for informational purposes only and does not constitute investment advice. Past performance is not an indicator of future results.

Sources

BeInOptions Research

Frequently Asked Questions

Why did Amazon stock rise 15% in one day?

Amazon reported Q2 results above expectations: AWS cloud grew 35% (fastest growth in 2 years), AI chip business crossed $25 billion annual revenue. In one session, Amazon added $440 billion in market value.

Did insiders sell or buy before the surge?

Unlike NVIDIA ($410M insider sales), Amazon insiders didn't sell heavily. Institutional investors added hundreds of millions of dollars in the two weeks before the earnings call — a sign of confidence.

Is Amazon too expensive now after the 15% jump?

Currently $272. Analysts see $312 as a fair average target (+15%). But: The last three times a tech stock rose over 10% after earnings, a correction followed within two weeks. Professionals are now taking profits and hedging.

Thomas Bergmann

Author

Thomas Bergmann

Senior Market Analyst

Derivatives Specialist

8++ YearsCAIA-aligned knowledge

Thomas Bergmann is an experienced market analyst with a keen eye for market trends and derivative structures. After studying Business Administration with a focus on Finance at the University of Mannheim, he gained valuable experience at renowned brokers and financial service providers. His expertise includes technical analysis, Options Greeks, and developing trading strategies for various market conditions. Thomas uses advanced AI-powered tools for market analysis and pattern recognition. At BeInOptions, he is responsible for market commentary, strategy analysis, and educational content. His articles are known for their practical approach and clarity. "I believe in transparent financial education. Everyone should understand the tools they use – whether it's a simple call option or a complex spread strategy."

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Disclaimer: This article is for informational purposes only and does not constitute investment advice. Past performance is not indicative of future results.