Bloom Energy, Illumina, Everpure Rise on S&P 500 Inclusion

 

Bloom Energy, Illumina, Everpure Rise on S&P 500 Inclusion

**Three very different companies — a fuel-cell maker powering the AI boom, a gene-sequencing pioneer, and a data-storage specialist — just got the ultimate Wall Street validation.**

On Friday, September 4, 2026, S&P Dow Jones Indices delivered the news that investors in three very different companies had been waiting for. Bloom Energy Corp., Illumina Inc., and Everpure Inc. will join the S&P 500 in the latest quarterly rebalance.

The announcement sent shares soaring in after-hours trading. Bloom Energy led the charge, surging **7.5%** after hours, while Illumina gained **2%** and Everpure added **2.2%**. The trio will officially join the benchmark index before the opening bell on Monday, September 21, 2026, replacing Molson Coors Beverage Co., The Trade Desk Inc., and Builders FirstSource Inc..

For the three companies being added, this is more than just a prestige boost. It's a financial catalyst that will trigger billions of dollars in forced buying from index-tracking funds, ETFs, and institutional investors who benchmark against the S&P 500. For the companies being removed, it's a different story — one that underscores the shifting priorities of the modern economy.

Here's what you need to know about each of these new S&P 500 members — and why their inclusion matters.

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## Bloom Energy (BE): The AI Power Play Finally Gets Its Due

**After getting passed over for several quarters, the fuel-cell maker is finally getting a spot in the S&P 500**.

Bloom Energy has been one of the year's biggest stock market stories. Shares have **nearly tripled in 2026**, surging more than **191% year-to-date**. The company's market capitalization now exceeds **$74 billion**, making it one of the largest companies not yet in the S&P 500 — until now.

### Why Bloom Energy Is Booming

The company's rise is directly tied to the AI revolution. As artificial intelligence infrastructure expands at a breakneck pace, the demand for reliable, always-on power has skyrocketed. Data centers are voracious consumers of electricity, and the nation's grid is struggling to keep up.

Bloom Energy's fuel-cell technology converts natural gas and biogas into electricity through an electrochemical process, offering a cleaner, more reliable alternative to traditional power sources. The company's systems are increasingly being deployed to power AI data centers, providing a solution to what has become known as the **"AI power crunch"**.

Investors have taken notice. The stock closed Friday at **$252.87**, up 7.4% on the day, before rising another 6% after hours. One retail investor on Stocktwits voiced optimism for a rally to **$300** before the addition takes effect.

### The AI Data Center Tailwind

The connection between AI and electricity demand is becoming one of the most powerful investment themes of 2026. As one analysis put it, "AI computing power is rapidly expanding, and what's most lacking now is electricity".

Bloom Energy's fuel cells are particularly well-suited to this moment. They can be deployed on-site at data centers, bypassing grid constraints and providing power even during outages. The technology has attracted attention from hyperscalers and major tech companies racing to build out AI capacity.

The S&P 500 inclusion is a validation of Bloom Energy's thesis — and a signal that the market sees the company as a permanent part of the AI infrastructure landscape.

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## Illumina (ILMN): The DNA Giant Gets a Second Act

**The gene-sequencing pioneer is returning to the S&P 500 after a brief absence, signaling renewed confidence in the company's turnaround.**

Illumina's path to the S&P 500 has been rockier than its new index-mates. The company has been a staple of the biotech world for decades, but it was removed from the S&P 500 in a previous rebalancing, largely due to a decline in its market capitalization.

Now, the company is back.

### A Turnaround Story

Illumina's return to the S&P 500 comes as the company has been executing a turnaround under new leadership. The gene-sequencing market remains one of the most promising frontiers in healthcare, with applications ranging from cancer diagnostics to personalized medicine.

The company closed Friday's regular trading at **$218.22**, down slightly on the day, but rose about **2%** after the news. The addition to the index is expected to trigger significant buying from passive funds, providing a tailwind for the stock as the September 21 effective date approaches.

### Health Care's Role in the New S&P 500

Illumina's inclusion reflects the continued importance of the health care sector in the modern economy. As one analysis noted, Illumina is classified under the **Health Care sector** in the S&P 500, joining a roster of industry heavyweights.

For investors, Illumina's return to the index is a signal that the company's turnaround is gaining traction — and that the market sees long-term value in its core gene-sequencing technology.

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## Everpure (P): The Data Storage Specialist Steps Up

**The cloud and data storage platform is moving up from the S&P MidCap 400 to the big leagues.**

Everpure, which operates a cloud and data storage platform, has been a steady performer in the mid-cap space. Its promotion to the S&P 500 reflects the growing importance of data infrastructure in the AI era.

### A Natural Progression

Everpure was previously a member of the S&P MidCap 400, and its move to the S&P 500 is a natural progression as the company's market capitalization has grown. The stock closed Friday at **$99.51**, up 1.4% on the day, and gained another 2% after hours.

### The Data Storage Boom

Like Bloom Energy, Everpure is benefiting from the AI revolution — albeit in a different way. As companies and individuals generate ever-increasing amounts of data, the need for secure, scalable storage solutions has exploded. Everpure's platform provides exactly that.

The company's inclusion in the S&P 500 is a recognition that data infrastructure is no longer a niche industry — it's a cornerstone of the modern economy.

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## The Companies Being Replaced: A Changing of the Guard

The three companies leaving the S&P 500 tell a story of their own.

- **Molson Coors Beverage Co. (TAP)**: The brewer is being removed from the benchmark index, a reflection of the declining fortunes of traditional consumer staples in an era of changing drinking habits.

- **Trade Desk Inc. (TTD)**: The ad-tech company is getting the boot, despite being a leader in programmatic advertising. The move suggests that the market is favoring companies with more direct exposure to the AI infrastructure buildout.

- **Builders FirstSource Inc. (BLDR)**: The building materials supplier is also being removed, as the housing market remains under pressure from high mortgage rates.

All three companies will be moved to the **S&P SmallCap 600**. Their removal underscores the shifting priorities of the index: away from traditional consumer and industrial companies and toward technology, energy, and infrastructure plays.

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## Other Index Changes: A Wider Shake-Up

The quarterly rebalancing extends beyond the S&P 500. S&P Dow Jones Indices also announced significant changes to other flagship indexes.

### S&P 100 Additions

The mega-cap S&P 100 will add four new members:

- **Dell Technologies (DELL)** — Information Technology

- **Palo Alto Networks (PANW)** — Information Technology

- **Arista Networks (ANET)** — Information Technology

- **SanDisk (SNDK)** — Information Technology

These additions highlight the dominance of the technology sector at the very top of the market.

### S&P MidCap 400 Additions

The mid-cap index will add:

- **HubSpot (HUBS)**

- **AGNC Investment (AGNC)**

- **Corcept Therapeutics (CORT)**

- **Brinker International (EAT)**

### S&P SmallCap 600 Additions

The small-cap index will pick up the companies leaving the S&P 500, along with several others.

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## Why S&P 500 Inclusion Matters

For investors, S&P 500 inclusion is a powerful catalyst. Here's why:

### The Passive Buying Wave

Index-tracking funds and ETFs that benchmark against the S&P 500 must buy shares of newly added companies. This creates a wave of demand that can lift stock prices in the weeks leading up to the effective date.

### The Prestige Effect

Inclusion in the S&P 500 is a validation of a company's size, stability, and importance to the economy. It can attract new investors, improve analyst coverage, and enhance a company's reputation.

### The Liquidity Boost

S&P 500 stocks are among the most liquid in the world. Inclusion can lower a company's cost of capital and make it easier to raise funds.

### The Benchmark Status

The S&P 500 is the most widely followed equity index in the world. Being part of it means being part of the benchmark that millions of investors use to measure their performance.

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## What This Means for Investors

### For Bloom Energy Investors

The S&P 500 inclusion is a validation of the AI-power thesis. With passive buying expected and the stock already up nearly 200% year-to-date, the question is whether the momentum can continue. Some retail investors are already eyeing the **$300** level.

### For Illumina Investors

The return to the S&P 500 is a signal that the turnaround is gaining traction. The stock's modest after-hours gain suggests that investors are cautiously optimistic.

### For Everpure Investors

The promotion from the MidCap 400 to the S&P 500 is a significant step up. The company's steady performance and exposure to the data storage boom make it an interesting addition to the index.

### For Investors in Removed Companies

For shareholders of Molson Coors, Trade Desk, and Builders FirstSource, the news is less welcome. However, the move to the SmallCap 600 doesn't mean the companies are failing — it just means they no longer fit the S&P 500's market-cap criteria.

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## Frequently Asked Questions (FAQs)

### 1. When will the S&P 500 changes take effect?

The changes will take effect **before the opening bell on Monday, September 21, 2026**.

### 2. Which companies are joining the S&P 500?

**Bloom Energy Corp. (BE), Illumina Inc. (ILMN), and Everpure Inc. (P)** are being added.

### 3. Which companies are being removed from the S&P 500?

**Molson Coors Beverage Co. (TAP), The Trade Desk Inc. (TTD), and Builders FirstSource Inc. (BLDR)** are being removed.

### 4. Why is Bloom Energy joining the S&P 500?

Bloom Energy's stock has nearly tripled in 2026, driven by demand for its fuel-cell technology to power AI data centers. The company's market capitalization now exceeds $74 billion.

### 5. Is Illumina returning to the S&P 500?

Yes. Illumina was previously removed from the index but is now being added back as part of the quarterly rebalance.

### 6. What other indexes are changing?

The S&P 100 is adding Dell Technologies, Palo Alto Networks, Arista Networks, and SanDisk. The S&P MidCap 400 is adding HubSpot, AGNC Investment, Corcept Therapeutics, and Brinker International.

### 7. Why does S&P 500 inclusion matter?

Inclusion triggers forced buying from index-tracking funds, can attract new investors, and enhances a company's reputation and liquidity.

### 8. How did the stocks react to the news?

Bloom Energy surged **7.5%** after hours, Illumina gained **2%**, and Everpure added **2.2%**.

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## The Bottom Line: A Changing of the Guard

The September 2026 S&P 500 rebalancing is more than just a routine index update. It's a reflection of where the American economy is headed — and where it's leaving behind.

**Bloom Energy** represents the intersection of AI and energy, two of the most powerful forces in the modern economy. Its fuel-cell technology is helping to solve the power crunch created by the AI boom, and its stock's nearly 200% rally this year is a testament to the market's enthusiasm.

**Illumina** represents the continued importance of health care and biotechnology. Its return to the S&P 500 signals that the company's turnaround is gaining traction and that the market sees long-term value in its gene-sequencing technology.

**Everpure** represents the growing importance of data infrastructure. As the AI revolution generates ever-increasing amounts of data, the need for secure, scalable storage has never been greater.

The companies being removed — Molson Coors, Trade Desk, and Builders FirstSource — reflect the shifting priorities of the modern economy. Traditional consumer staples, ad-tech, and housing suppliers are giving way to companies at the forefront of the AI and energy revolutions.

For investors, the message is clear: the S&P 500 is evolving. The companies that are driving the future are taking their place alongside the titans of American industry. And for Bloom Energy, Illumina, and Everpure, the journey is just beginning.

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## Disclaimer

*This article is for informational and educational purposes only and does not constitute financial, investment, tax, or legal advice. All views expressed are based on publicly available information as of September 2026. Index changes, stock prices, and market conditions are subject to change. The author does not endorse any specific investment strategies or products. Past performance is not indicative of future results. Before making any financial or investment decisions based on the content of this article, please consult with qualified professionals who can evaluate your specific situation.*