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Nebius Group NV is a technology company that provides infrastructure and services to AI builders worldwide. It offers Nebius AI, an AI-centric cloud platform provides full-stack infrastructure, including large-scale GPU clusters, cloud services, and developer tools. The company also operates through specialized brands: Toloka AI, which partners in data for generative AI development; TripleTen, an edtech platform focused on re-skilling individuals for tech careers; and Avride, which develops autonomous driving technology. Nebius Group was founded by Elena Kolmanovskaya, Ilya Segalovich, Mikhail Fadeev, and Arkady Volozh in 1989 and is headquartered in Amsterdam, the Netherlands.

Nebius Group N.V. - Ordinary Shares - Class A

Nebius Group N.V. 

Nebius is drawing attention amid a sharp neocloud and AI-infrastructure selloff, as concerns about financing costs, debt sustainability and returns on the sectors buildout spill over from CoreWeave credit worries. Traders are divided on the rebound, with some seeing an oversold buying opportunity and others calling it a bull trap that could give way to further declines.

Cleveland-Cliffs, Inc. is a flat-rolled steel company, which engages in provision of iron ore pellets to the North American steel industry. It focuses on the production of metallic and coke, iron making, steelmaking, rolling and finishing, and downstream tubular components, stamping, and tooling. It operates through the Steelmaking and Other Businesses segments. The company was founded in 1847 and is headquartered in Cleveland, OH.

Cleveland-Cliffs Inc

Cleveland-Cliffs stronger-than-guided Q3 results and upbeat 2027 EBITDA outlook have driven a sharp share-price rebound. Bulls are discussing potential short covering, while skeptics question whether operating improvements and steel prices can support the outlook given the companys debt.

Alpha Tau Medical Ltd. is a clinical-stage oncology therapeutics company, which focuses on the research, development, and commercialization of diffusing alpha-emitters radiation therapy for the treatment of cancer. The firm is involved in the clinical trials at cancer centers with indications that include skin cancer, oral cavity cancer, breast cancer, and pancreatic cancer. The company was founded by Uzi Sofer, Yona Keisari, and Itzhak Kelson in November 2015 and is headquartered in Jerusalem, Israel.

Alpha Tau Medical Ltd

ALPHA TAU MEDICAL LTD

The FDA-approved expansion of Alpha Taus REGAIN trial for recurrent glioblastoma, alongside planned SNO data presentation, is driving attention; traders are upbeat about the early results and a larger patient cohort, while further evidence is still pending. The community also points to upcoming pancreatic and other clinical milestones as potential catalysts.

CoreWeave, Inc. engages in the powers of the creation and delivery of the intelligence that drives innovation. It offers a solution used by organizations of all sizes that require sophisticated AI computing, from the largest of enterprises to small, well-funded start-ups. The company was founded by Michael Intrator, Brian Venturo, Peter Salanki, and Brannin McBee on September 21, 2017 and is headquartered in Livingston, NJ.

CoreWeave Inc. - Ordinary Shares - Class A

CoreWeave Inc

Goldman Sachs upgrade of CoreWeave to Buy is driving a rebound after a steep selloff over financing and debt concerns. Traders are split between expecting a recovery or short squeeze and warning that the companys heavy obligations and insider selling remain significant risks.

SELLAS Life Sciences Group, Inc. is a clinical stage biopharmaceutical company, which engages in the development and commercialization of immunotherapeutic for cancer indications. Its product pipeline includes galinpepimut-S. The company was founded by Angelos M. Stergiou on April 3, 2006 and is headquartered in New York, NY.

SELLAS Life Sciences Group Inc

SELLAS CEO Angelos Stergious anniversary post about the companys next chapter fueled speculation about upcoming clinical news or a possible buyout, though some traders dismissed it as a routine message. The debate centers on the still-unconfirmed 80th-event trigger for the Phase 3 REGAL trial: bulls view the prolonged wait as potentially encouraging for patient survival, while skeptics note that the blinded trials timeline alone does not establish efficacy.

Sea Ltd. is an internet and mobile platform company, which engages in the provision of online gaming services. It operates through the following segments: Digital Entertainment, E-Commerce, and Digital Financial Services. The Digital Entertainment segment offers and develops mobile and PC online games. The E-Commerce segment manages a third-party marketplace through the Shopee mobile app and websites that connect buyers and sellers. The Digital Financial Services segment includes a variety of payment services and loans to individuals and businesses through SeaMoney. Sea was founded by Xiao Dong Li, Gang Ye, and Jing Ye Chen on May 8, 2009 and is headquartered in Singapore.

Sea Ltd - ADR

Sea shares are drawing attention for a sharp pullback, with traders repeatedly pointing to insider selling and weak price action; some also cite higher oil prices and broader macro pressure as headwinds. Bulls argue the companys growth and valuation support a recovery, while bears see more downside and question managements approach to shareholder returns.

Cerebras Systems, Inc. engages in the designing and provision of processors for artificial intelligence (AI) training and inference. Its products include inference, Wafer Scale Engine, AI supercomputers, AI model services, cloud, systems, and processors. The company was founded by Sean Lie, Andrew D. Feldman, Gary Lauterbach, Michael James, and Jean Philippe Fricker in 2015 and is headquartered in Sunnyvale, CA.

Cerebras Systems Inc - Ordinary Shares - Class A

Cerebras Systems Inc

Cerebras shares are drawing attention after a steep selloff, with traders citing upcoming IPO lockup share releases, a reported TD Cowen downgrade, and concerns about valuation, customer concentration and the companys ability to scale. The community is split between expecting more selling and buying the dip, while some attribute the weakness to a broader AI and semiconductor pullback.

X-Energy, Inc. engages in the development of advanced small modular nuclear reactors and fuel technology for clean energy generation. Its solutions include Xe-100 and TRISO-X. The company was founded by Kam Ghaffarian and Eben Mulder in 2009 and is headquartered in Rockville, MD.

X-Energy Inc. - Ordinary Shares- Class A

X-Energy Inc

X-Energys small modular reactor buildout is drawing attention around updates on its Oak Ridge fuel facility and nuclear-grade graphite supply, against a broader AI and data-center power-demand theme. Traders are broadly bullish on the long-term opportunity and Amazons backing, while some remain cautious about execution timelines and the stocks sharp volatility.

Datadog, Inc. engages in the development of a monitoring and analytics platform for developers, information technology operations teams and business users. Its platform integrates and automates infrastructure monitoring, application performance monitoring and log management to provide real-time observability of its customers' entire technology stack. The company was founded by Olivier Pomel and Alexis Lê-Quôc on June 4, 2010 and is headquartered in New York, NY.

Datadog Inc - Ordinary Shares - Class A

Datadog Inc

Bernsteins upgrade of Datadog to Outperform, citing AI-driven demand for its observability offerings, is drawing attention as shares rebound. Traders are weighing that bullish AI-growth case against concerns about the stocks rich valuation and recent software-sector volatility.

The Walt Disney Co. engages in the business of international family entertainment and media enterprise. It owns and operates television and radio production, distribution and broadcasting stations, direct-to-consumer services, amusement parks, and hotels. It operates through the following business segments: Disney Entertainment, ESPN, and Disney Parks, Experiences, and Products. The company was founded by Walter Elias Disney on October 16, 1923 and is headquartered in Burbank, CA.

Walt Disney Co (The)

Walt Disney Co

Disney is drawing attention for its struggle to hold above a key resistance area, with traders positioning ahead of the upcoming earnings report. Bulls see recent support as a possible breakout setup, while bears point to repeated rejections and difficulty sustaining a move higher.

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Why Is QuantumScape (QS) Stock Trending After Hours

QuantumScape shares rise 0.33% after hours as investors weigh analyst price target cuts ahead of third-quarter earnings.read more...

D-Wave Quantum vs. QuantumScape: Here Is the Better Innovative Technology Stock to Buy in 2026

Key PointsD-Wave Quantum is generating revenue through its hybrid quantum computing systems and cloud services...

Why Did TTD, OPEN, QS Stocks Tumble To 52-Week Lows Today? 

Equity

Investors grew more cautious about advertising demand, housing activity and emerging technology businesses.


Is QuantumScape a Lost Cause?

Key PointsQuantumScape figured out how to make lithium-based electric vehicle batteries store more energy...

D-Wave Quantum vs. QuantumScape: Which Moonshot Tech Stock Is a Better Buy in 2026?

Key PointsD-Wave Quantum is a leader in quantum annealing technology with a growing list of commercial and government customers...

CoreWeave vs. QuantumScape: Which Stock Is a Better Investment, the AI Giant or the EV Battery Upstart?

Key PointsCoreWeave has established itself as a leading specialized cloud provider for intensive artificial intelligence workloads...

Time to Sound the Alarm on QuantumScape?

Key PointsQuantumScape's commercialization plans are at least five years behind schedule...

BigBear.ai vs. QuantumScape: Which Technology Stock Is a Better Buy in 2026?

Key PointsBigBear.ai serves the defense and intelligence communities with specialized AI decision intelligence software...

QuantumScape Co-Founder and CTO Liquidated His Trust's Entire Class A Shares in the Company Worth $610,800

Key PointsThe CTO sold ~120,000 shares at $5.09 per share, totaling $610,800 in transaction value on September 15, 2026...

Cerebras Systems vs. QuantumScape: Here Is the Better Hardware Technology Stock to Buy in 2026

Key PointsCerebras Systems designs massive AI processors and reported over $500 million in revenue for fiscal 2025...

QuantumScape Corp. engages in developing next-generation solid-state lithium-metal batteries. The company’s next-generation batteries are designed to enable greater energy density, faster charging, and enhanced safety to support the transition away from legacy energy sources toward a lower-carbon future. The company was founded by Jagdeep Singh, Tim Holme, and Fritz B. Prinz in May 2010 and is headquartered in San Jose, CA.

QuantumScape Corp - Ordinary Shares - Class A

Bullish Sentiment

<ul class="summary-bullets"><li>The Trade Desk shares fell to a seven-year low of $12.18 as investors worried about weaker advertising spending.&nbsp;</li><li>High mortgage rates and weak housing activity have hurt Opendoor’s home-buying business.&nbsp;</li><li>QuantumScape shares hit a new 52-week low of $4.54, down 63% over the past year.&nbsp;</li></ul><p>Trade Desk (TTD), Opendoor Technologies (<a class="mention" data-mention="$OPEN" data-symbol-id="OPEN" href="https://stocktwits.com/symbol/OPEN" target="_blank">OPEN</a>) and QuantumScape (QS) stocks hit fresh 52-week lows&nbsp;on Monday as investors continued to retreat from higher-risk stocks. Concerns over advertising spending, elevated borrowing costs, housing-market weakness and lengthy technology commercialization timelines have weighed on sentiment, putting pressure on companies that rely on future growth to support valuations.&nbsp;</p><p>Opendoor and QuantumScape stocks tumbled more than 5% and 7%, respectively, while The Trade Desk stock fell more than 2%.&nbsp;</p><h2 class="st-heading-2">The Trade Desk Faces Selling Pressure</h2><p>The&nbsp;<a href="https://stocktwits.com/symbol/TTD">Trade Desk stock</a> plunged to a seven-year low of $12.18 as investors grew more concerned about the outlook for programmatic advertising as companies take a closer look at marketing budgets.</p><p>Amazon is a major threat to The Trade Desk because it can use shopping and customer data to improve its advertising tools. Lower fees could also push advertisers to spend less with TTD. Automation is another challenge. Google, Meta, Amazon and AppLovin can use their large data sets to offer simpler, automated advertising tools, while TTD depends more on outside data. The company’s deletion from the S&amp;P 500 has also added to the woes.&nbsp;</p><p>On Stocktwits, retail sentiment around the stock remained ‘bullish’.&nbsp;</p><h2 class="st-heading-2">Opendoor Remains Under Housing Pressure</h2><p><a href="https://stocktwits.com/symbol/OPEN">Opendoor Technologies stock</a> continued its prolonged decline, hitting a 52-week low of $2.42 as its technology-driven home-buying model remains exposed to difficult conditions in the residential real estate market.</p><p>High mortgage rates have kept potential buyers and sellers on the sidelines, limiting housing activity. At the same time, Opendoor must manage the costs and risks associated with holding homes as inventory.&nbsp;</p><p>Opendoor’s fiscal second-quarter (Q2)&nbsp; revenue fell 44% to $883 million, while the net loss more than quintupled to $162 million. Also, a sharp housing-market slowdown in late August has&nbsp;<a href="https://stocktwits.com/news-articles/markets/equity/open-stock-dips-overnight-opendoor-ceo-says-rebuilds-are-bumpy-as-housing-slump-delayed-profit-timeline-by-up-to-eight-weeks/cZt96GORJC9">delayed</a> the company’s path to profitability by about six to eight weeks. Retail sentiment around the stock dropped to ‘bearish’ from ‘neutral’.&nbsp;</p><h2 class="st-heading-2">QuantumScape Tests Investor Patience</h2><p><a href="https://stocktwits.com/symbol/QS">QuantumScape stock</a> also hit a fresh 52-week low at $4.54, extending a 63% decline over the past year. The company is developing solid-state battery technology aimed at future electric vehicles.</p><p>QuantumScape has continued working toward commercial-scale production and has partnerships with automotive companies including Volkswagen. However, the business remains pre-revenue, leaving the stock sensitive to investor risk appetite and financing conditions. However, retail sentiment around the stock remains ‘bullish’.&nbsp;</p><p>So far this year, TTD, <a class="mention" data-mention="$OPEN" data-symbol-id="OPEN" href="https://stocktwits.com/symbol/OPEN" target="_blank">OPEN</a> and QS stocks have crashed between 56% and 67%.</p><p>Also see:&nbsp;<a href="https://stocktwits.com/news-articles/markets/equity/mtn-stock-falls-overnight-vail-resorts-ceo-admits-risks-heading-into-ski-season-as-pass-sales-tumble/cZMmldFRBXS">MTN Stock Falls Overnight: Vail Resorts CEO Admits 'Risks' Heading Into Ski Season As Pass Sales Tumble</a></p><p><i>For updates and corrections, email newsroom[at]stocktwits[dot]com.</i></p>

A smartphone displays the logo of Opendoor Technologies Inc. (Photo illustration by Cheng Xin/Getty Images)

Trade Desk (TTD), Opendoor Technologies (OPEN) and QuantumScape (QS) stocks hit fresh 52-week lows on Monday as investors continued to retreat from higher-risk stocks. Concerns over advertising spending, elevated borrowing costs, housing-market weakness a

Why Did TTD, OPEN, QS Stocks Tumble To 52-Week Lows Today?

Opendoor Technologies Inc

QuantumScape Corp

Trade Desk Inc

$NOK

$CLF

$CIFR

$NOK, $CLF, $CIFR, and $QS are four of the most searched and talked-about stocks among retail investors this morning. Which are you most bullish on? Drop your reasoning in the comments.

Which of these trending stocks are you most tempted to buy today - $NOK, $CLF, $CIFR, or $QS?

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