In this article, we are going to discuss the energy stocks that are losing this week.
The S&P 500 Energy index slid by over 2.9% between December 10 and December 17, driven primarily by the decline in crude oil and natural gas prices over the last few days.
Global crude oil prices fell to their lowest since February 2021 this week on the back of oversupply issues and a potential peace deal in the Russia-Ukraine war, which would eventually allow the Putin administration to export its oil without fears of any Western sanctions. Moreover, according to the recent jobs data report by the Bureau of Labor Statistics, unemployment in the US rose to its highest since 2021, which could also be a factor in slowing down the oil demand.
US natural gas futures have also slumped by over 26% since hitting their 3-year high earlier this month, primarily due to record-high production, ample storage supplies, and forecasts of above-average temperatures heading into Christmas, which may reduce heating demand.
Our Methodology
To collect data for this article, we used several stock screeners to identify energy stocks that declined the most between December 10 and December 17, 2025. The following are the Energy Stocks that Lost the Most This Week. The stocks are ranked according to their share price decline during this period.
Why are we interested in the stocks that hedge funds pile into? The reason is simple: our research has shown that we can outperform the market by imitating the top stock picks of the best hedge funds. Our quarterly newsletter’s strategy selects 14 small-cap and large-cap stocks every quarter and has returned 427.7% since May 2014, beating its benchmark by 264 percentage points (see more details here).
10. Valero Energy Corporation (NYSE:VLO)
Share Price Decline Between Dec. 10 – Dec. 17: 7.44%
Valero Energy Corporation (NYSE:VLO) is the world’s premier independent petroleum refiner and a leading producer of low-carbon transportation fuels.
Valero Energy Corporation (NYSE:VLO) took a hit on December 12 when Mizuho analyst Nitin Kumar downgraded it from ‘Outperform’ to ‘Neutral’, driven by the stock’s ‘above peer valuation’ and the potential for weaker refining cracks. That said, the analyst increased VLO’s price target from $190 to $192, representing an upside potential of almost 18% from its current share price. Mizuho expects a ‘more muted’ outlook for the refining sector next year, with weaker margins, as many projects that should have been finished this year have been delayed till 2026.
Earlier on December 11, BofA also downgraded Valero Energy Corporation (NYSE:VLO) from ‘Buy’ to ‘Neutral’, and also reduced its price target from $198 to $195.
9. Kosmos Energy Ltd. (NYSE:KOS)
Share Price Decline Between Dec. 10 – Dec. 17: 10.68%
Kosmos Energy Ltd. (NYSE:KOS) is a leading deepwater exploration and production company focused on meeting the world’s growing demand for energy.
On December 12, Mizuho analyst William Janela lowered the firm’s price target on Kosmos Energy Ltd. (NYSE:KOS) from $2 to $1.50, but maintained a ‘Neutral’ rating on its shares. The adjustment comes as the analyst’s firm updated its ratings and targets in the exploration and production sector as part of its 2026 outlook. While the American oil and gas sector is currently witnessing a downside on the back of oversupply issues and high gas storage, the analyst sees ‘underappreciated value’, particularly in the exploration and production group.
Earlier on December 5, BofA analyst Matthew Smith also double-downgraded Kosmos Energy Ltd. (NYSE:KOS) from ‘Buy’ to ‘Underperform’, while also significantly reducing its price target from $3.4 to $1. The downgrade comes after the analyst firm trimmed its Brent oil price forecasts for 2026 and 2027 to $60 and $62 per barrel, respectively.
Kosmos Energy Ltd. (NYSE:KOS) had a scare on December 10 following reports that the Senegalese government is planning to nationalize the Yakaar-Teranga project, one of the world’s largest gas discoveries in recent years. Kosmos operates the project, and the energy operator also owns a 90% stake in it. However, the company later confirmed that the Senegalese energy ministry has no intentions of nationalizing the gas field. Kosmos also added that it will return its license for the project by July 2026 if it fails to find a new partner.
8. Profrac Holding Corp (NASDAQ:ACDC)
Share Price Decline Between Dec. 10 – Dec. 17: 13.02%
ProFrac Holding Corp. (NASDAQ:ACDC) is a technology-focused energy services company operating in the United States.
On December 15, Morgan Stanley assumed coverage of ProFrac Holding Corp. (NASDAQ:ACDC) with an ‘Underweight’ rating and a price target of $3.50, indicating a potential downside of over 11% from the current share price. According to the analyst, oil and gas services stocks have rallied from their lows after a difficult 2025, pushing valuations higher. However, the firm advised caution and warned that it is ‘too early to step in’, as it expects North American onshore spending to remain tight due to the uncertain oil backdrop.
It is worth noting that global crude oil prices fell to their lowest levels since February 2021 this week, driven by weak employment data, oversupply, and a potential peace deal between Ukraine and Russia.
7. Borr Drilling Limited (NYSE:BORR)
Share Price Decline Between Dec. 10 – Dec. 17: 13.69%
Borr Drilling Limited (NYSE:BORR) is an offshore shallow-water drilling contractor providing worldwide offshore drilling services to the oil and gas industry.
Borr Drilling Limited (NYSE:BORR) slid after announcing an equity offering of 21 million shares on December 8, expecting to raise $84 million in gross total proceeds. The company has priced the offering at $4 per share and plans to use the proceeds for the acquisition of five jackup rigs from Noble Corporation plc (NYSE:NE) for $360 million and for general corporate purposes.
The deal will be financed through $150 million in additional senior secured notes due 2030 and $150 million seller’s credit due 2032, on top of the equity offering. The acquisition, expected to close in Q1 2026, will expand Borr’s fleet size to 29 rigs.
Bruno Morand, CEO at Borr Drilling Limited (NYSE:BORR), commented:
“This acquisition represents a compelling strategic and financial opportunity for Borr Drilling. We are acquiring these rigs at an attractive price and at a point in the jack-up rig cycle where demand is showing signs of strengthening. We expect the transaction to be immediately accretive to Adjusted EBITDA and reduce our debt per rig. The Borr Drilling’s platform – built on operational excellence, customer centricity, and our premium jack-up fleet – remains our defining competitive advantage. We believe this expanded platform will deepen customer relationships and drive attractive long-term value for shareholders.”
6. PBF Energy Inc. (NYSE:PBF)
Share Price Decline Between Dec. 10 – Dec. 17: 16.19%
PBF Energy Inc. (NYSE:PBF) is one of the largest independent petroleum refiners and suppliers of unbranded transportation fuels, heating oil, petrochemical feedstocks, lubricants, and other petroleum products in the United States.
PBF Energy Inc. (NYSE:PBF) suffered a blow on December 8 when Wolfe Research analyst Doug Leggate downgraded the stock from ‘Peer Perform’ to ‘Underperform’, while assigning it a price target of $23. The downgrade is driven by a tactical underweight in the US refining sector, with the analyst highlighting that the decline in West Coast margins has removed the necessary support for the recent absolute outperformance.
Moreover, the analyst firm expects a series of headwinds for the broader US refining sector, led by lower distillate cracks due to robust European inventories and skewed risk in the event of a Ukraine-Russia peace deal. A peaceful resolution to the ongoing war will allow Moscow to export its oil without the risk of Western sanctions and push global crude prices even lower.
That said, PBF Energy Inc. (NYSE:PBF) received some support on December 12 when Mizuho analyst Nitin Kumar upgraded the stock from ‘Underperform’ to ‘Neutral’, while also raising its price target from $31 to $38. The revised price target represents an upside potential of almost 43% from the current share price, as of the writing of this piece.
5. NextNRG Inc. (NASDAQ:NXXT)
Share Price Decline Between Dec. 10 – Dec. 17: 17.16%
NextNRG Inc. (NASDAQ:NXXT) engages in mobile fueling operations in the United States. The company also offers services in wireless EV charging, commercial fleet electrification, predictive grid analytics, and advanced microgrid systems.
NextNRG Inc. (NASDAQ:NXXT) jumped by over 48% earlier this month when the company reported preliminary unaudited revenue of $7.51 million for November 2025, up by a significant 271% from the same month last year. The energy operator is now positioned for a record full-year performance, with revenue of approximately $73.5 million for the first eleven months of 2025.
Moreover, NextNRG Inc. (NASDAQ:NXXT) signed a 28-year Power Purchase Agreement (PPA) with Topanga Terrace Rehabilitation & Subacute Care Center in California on December 11, expanding its project pipeline even further before the end of the year. The recent slump in share price may be due to investors booking profits, especially given the overall bearish sentiment in the energy sector this week.
The downward pressure on NextNRG Inc. (NASDAQ:NXXT) was also intensified by reports of a couple of insiders selling the stock at more favorable share prices. According to the latest SEC filings, Director Arbour Daniel Ronald offloaded 27,891 shares of NXXT on December 9 for a total amount of over $36,000. Then, on December 11, the company’s Chief Technology Officer, Vaknin Avishai, also disposed of 15,000 of its shares for $30,000, further hurting investor confidence.
4. ProPetro Holding Corp. (NYSE:PUMP)
Share Price Decline Between Dec. 10 – Dec. 17: 20%
ProPetro Holding Corp. (NYSE:PUMP) is an oilfield services company that engages in the provision of hydraulic fracturing and other complementary services.
ProPetro Holding Corp. (NYSE:PUMP) slumped despite a series of positive developments for the stock over the last few days, possibly due to global crude oil prices falling to their 4-year low, resulting in bearish sentiment in the overall energy sector.
On December 10, JPMorgan upgraded ProPetro Holding Corp. (NYSE:PUMP) from ‘Neutral’ to ‘Overweight’, while also almost doubling the stock’s price target from $7 to $13. The upgrade comes as the analyst firm adjusted its ratings in the oilfield services and equipment group as part of its 2026 outlook. Then on December 17, Barclays also raised its price target on PUMP from $10 to $11, while maintaining its ‘Equal Weight’ rating on the shares.
Moreover, ProPetro Holding Corp. (NYSE:PUMP) announced on December 12 that its PROPWR business has secured a new power services contract in the Permian Basin with a subsidiary of Coterra Energy Inc. (NYSE:CTRA). With field operations set to begin in the first quarter of 2026, the agreement raises PROPWR’s contracted power to over 220 MW.
3. Hallador Energy Company (NASDAQ:HNRG)
Share Price Decline Between Dec. 10 – Dec. 17: 21.43%
Hallador Energy Company (NASDAQ:HNRG), through its subsidiaries, engages in the production of steam coal for the electric power generation industry in Indiana. The company has now evolved into a growing, vertically integrated Independent Power Producer (IPP) focused on meeting rising energy demands.
Hallador Energy Company (NASDAQ:HNRG) was among the coal producers that gained earlier this month due to natural gas prices hitting a 3-year high, as several power suppliers were likely to boost output from cheaper coal-fired power plants instead of paying for expensive natural gas. However, natural gas prices have since fallen by more than 26%, driven by record-high production, ample storage, and forecasts of above-average temperatures heading into Christmas, which may reduce heating demand.
So, the recent slump in share price could be due to profit-taking by investors, as well as due to the bearish sentiment surrounding the overall energy sector, driven by a sharp decline in crude oil and natural gas prices.
2. Fluence Energy, Inc. (NASDAQ:FLNC)
Share Price Decline Between Dec. 10 – Dec. 17: 22.01%
Fluence Energy, Inc. (NASDAQ:FLNC) is a global market leader delivering intelligent energy storage and optimization software for renewables and storage.
On December 8, Mizuho downgraded Fluence Energy, Inc. (NASDAQ:FLNC) from ‘Neutral’ to ‘Underperform’ due to the stock’s premium valuation. However, the analyst firm also increased its price target on the stock from $9 to $15, driven by a higher battery storage demand and improved EBITDA margins.
According to the analyst, Fluence shares are pricing in ‘premature enthusiasm’ around data center pipeline conversion, AESC’s battery cell line integration, and potential upside to the pipeline. It is worth noting that FLNC increased by over 67% after it announced its Q4 2025 results last month, as the company forecasted revenue growth of 50% for FY 2026. More importantly, 85% of Fluence’s revenue forecast has already been secured in its backlog, as the energy storage operator reported a record $1.4 billion of orders in Q4, taking its total backlog to $5.3 billion as of September 30.
On December 8, Johnson Rice also downgraded Fluence Energy, Inc. (NASDAQ:FLNC) from ‘Buy’ to ‘Hold’ but more than doubled its price target from $8 to $18.
1. Bloom Energy Corporation (NYSE:BE)
Share Price Decline Between Dec. 10 – Dec. 17: 24.01%
Topping our list of Energy Stocks that Lost This Week is Bloom Energy Corporation (NYSE:BE). The company designs, manufactures, sells, and installs solid-oxide fuel cell systems for on-site power generation in the United States and internationally. Bloom’s Energy Server generates power onsite, converting fuels like natural gas, biogas, and hydrogen into electricity without combustion.
One of the biggest winners amid the AI boom, Bloom Energy Corporation (NYSE:BE) has skyrocketed since the beginning of 2025 as investors identified it as a potential solution to serve the exorbitant energy demand of the data centers being planned and built. Earlier this year, the company was also handpicked by Oracle Corporation (NSE:ORCL) to deploy its fuel-cell technology at some of the tech giant’s data centers.
However, recent fears regarding an AI bubble have sparked heavy selling, which escalated after Oracle missed revenue estimates in its Q2 2026 results last week and posted a negative free cash flow of $13 billion for the trailing four quarters. The sell-off was further intensified following reports that Blue Owl Capital has pulled out from its planned $10 billion financial support to Oracle’s data center in Michigan, reflecting financial institutions’ growing concerns about Big Tech’s ballooning spending on AI.
Moreover, the recent news that SpaceX is planning to go public in 2026 could also raise a new potential threat to Bloom Energy Corporation (NYSE:BE)’s business model, since Elon Musk plans to use the money to deploy AI data centers in orbit, where solar energy is abundant, and Bloom’s technology is no longer required.
Despite the recent dip, the share price of Bloom Energy Corporation (NYSE:BE) has soared by almost 230% since the beginning of 2025, as of the writing of this piece.
While we acknowledge the potential of BE to grow, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and have limited downside risk. If you are looking for an AI stock that is more promising than BE and that has 100x upside potential, check out our report about this cheapest AI stock.
READ NEXT: Retirement Stock Portfolio: 11 Energy Stocks to Buy and 14 Best Utility Dividend Stocks to Buy Now.
Disclosure: None. Insider Monkey focuses on uncovering the best investment ideas of hedge funds and insiders. Please subscribe to our free daily e-newsletter to get the latest investment ideas from hedge funds’ investor letters by entering your email address below.
