Yiannis Zourmpanos
153 Articles
Yiannis Zourmpanos specializes in asymmetric investments, identifying high-upside opportunities with minimal downside risk. He previously worked for Deloitte and KPMG in external and internal auditing and consulting. Yiannis is a Chartered Certified Accountant, and a Fellow Member of ACCA Global. He holds BSc and MSc degrees from leading U.K. business schools.
Written by Yiannis Zourmpanos
Reviewed by Yiannis Zourmpanos
Micron’s AI Bet Pays Off
TradingKey - Q3 2025 was a turning point that most industry participants still don't comprehend. For decades, Micron (MU) lived and breathed a cyclical commodity-driven memory cycle, but recent trends suggest a structural shift towards becoming an AI infrastructure anchor. Revenue surged to a new...
Fri, Jul 4
Inside SoFi’s Capital-Light Machine
SoFi is a high-beta, capital-lite fintech prototype that is only starting to show robust earnings leverage. But conviction in its platform economics will be tested by predictable growth in fee-based revenues, expanding cross-sell ratios, and cushioned balance sheet capacity to absorb shocks without
Fri, Jul 4
George Soros’s Playbook in 2025: Opportunistic, Nimble, and Undeniably Contrarian
TradingKey - When ordinary investors hear George Soros's name, it evokes that hedge fund legend who “broke the Bank of England,” but today Soros Fund Management trades with a system that is far more complicated than speculating in currencies.
Fri, Jul 4
Oscar Health’s Unexpected Profit Surge
TradingKey - Oscar Health (OSCR) assembled an unlikely reversal with 42% YoY revenue growth to $3.05 billion in Q1 2025 and net income of $275 million, which represents a remarkable $98 million year-over-year improvement.
Thu, Jul 3
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Intel’s Quiet Reinvention Gains Speed
TradingKey - At $22.55 per share, Intel (INTC) isn’t trading like an IT titan; it’s trading like a value trap. And yet, underneath the hood, a monumental shift is occurring quietly.
Thu, Jul 3
AST SpaceMobile: The Satellite Startup Betting Big
TradingKey - AST SpaceMobile (ASTS) is racing toward something as ambitious as any space-based telecom: developing the first space-based cellular broadband net that directly interfaces with commercial smartphones.
Thu, Jul 3
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OppFi: The Fintech Profit Story You Missed
TradingKey - While most are reassured by the frenzy of fintech hype cycles and software spec multiples, OppFi Inc. (OPFI) is an exception, an undervalued, profitable, and capital-efficient digital lender with record-breaking Q1 2025 results that defy conventional wisdom.
Thu, Jul 3
Adobe’s AI Play Is Working
TradingKey - Adobe (ADBE) enters the latter part of FY2025 with strategic momentum: its own ongoing transition into an AI-first platform business.
Thu, Jul 3
Oracle’s AI Pivot Hits Overdrive
Oracle’s (ORCL) FY2025 earnings and FY26 guidance present an interesting picture of a company in high-end transformation, from legacy software colossus to capital-intensive, vertically integrated AI infrastructure and cloud leader.
Thu, Jul 3
Broadcom’s Quiet Software Power Grab
TradingKey - Broadcom Inc. (AVGO) is at the crossroads between two revolutionary trends: hyperscale AI infrastructure and enterprise software unification due to VMware.
Thu, Jul 3
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DocuSign: This SaaS Giant Is Reinventing Itself
TradingKey - Docusign reported a 29.5% non-GAAP operating margin and 30% free cash flow margin in Q1 FY26. The Intelligent Agreement Management (IAM) platform surpassed 10,000 customers and aims to reach double-digit subscription contribution by year-end.
Wed, Jul 2
The Fortress Portfolio: How Bill Gates Quietly Built a $42B Mission-Aligned Empire
TradingKey - Through March 31, 2025, Bill Gates' portfolio under the Bill & Melinda Gates Foundation Trust held 25 equity stakes with an aggregate market value of $41.81 billion.
Tue, Jul 1
Inside Nvidia’s Investment Blueprint: Mapping the Next Empire of AI, Automation, and Infrastructure
TradingKey - Nvidia (NVDA) is no longer just the leader of GPU chips, the company is transforming into something more. As the company heads towards the much-awaited annual shareholder meet, a sharper mental picture comes as to what exactly it’s building: an empire beyond silicon.
Wed, Jun 25
Dollar General’s Hidden Recovery Story
TradingKey - Dollar General (DG) has long been a stalwart of U.S. rural and suburban retail, riding a cost-friendly model and hyperlocal penetration. Yet the market is indicating a sense of shift. On reporting a good Q1 FY2025, with 5.3% top-line expansion, 2.4% same-store sales increase...
Mon, Jun 23
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Nu’s Quiet Revolution in Fintech
TradingKey - While fintech valuations are still squeezed by tightening capital levels and subdued consumer expansion, Nu Holdings (NU) is discreetly pulling off a triple whammy, hypergrowth, profitability, and capital-light scaling. Q1 2025 results reflect a turning point in its path: 69% YoY...
Mon, Jun 23
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MARA’s Power Play Behind Bitcoin
TradingKey - Q1 2025 revenue reached $214 million, growing 30% YoY, driven by 77% higher average Bitcoin prices. Hash rate doubled to 54.3 EH/s; block rewards rose 81% to 666 blocks despite post-halving production drop.
Mon, Jun 23
Nebius: The AI Cloud Nobody's Pricing Right
TradingKey - Nebius reached $249 million ARR in March 2025, growing 684% YoY, with April ARR accelerating to $310 million. Adjusted EBITDA margin improved from -622% to -113% YoY, with H2 2025 EBITDA breakeven guidance.
Mon, Jun 23
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When Fundamentals Take the Lead: Inside T. Rowe Price’s Institutional Betting Playbook
TradingKey - At March 31, 2025, T. Rowe Price (TROW) managed over $1.45 trillion AUM, with $776 billion invested in equity strategies,óa testament to its enduring leadership as a global active asset manager with a globally diversified footprint. Far from being some distinctly focused portfolio...
Mon, Jun 23
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Bill Ackman’s 2025 Portfolio: Concentrated Conviction in a Time of Transition
TradingKey - With just 11 stocks and $11.9 billion in equity assets, Bill Ackman’s Pershing Square portfolio remains a case study in concentrated, high-conviction investing.
Mon, Jun 23
HPE’s Hidden Pivot: From Infrastructure to Intelligence Amid AI and Margin Turbulence
TradingKey - While the market still discounts Hewlett Packard Enterprise (HPE) as a legacy infrastructure vendor, Q2 FY2025 results reveal a mounting misaligned perception.
Wed, Jun 18
