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Yiannis Zourmpanos

138 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

Behind Nvidia’s $44B Q1 Quarter

TradingeKey - Nvidia (NVDA) just posted a jaw-dropping $44.1 billion in Q1 FY2026 revenue, driven by a 73% YoY surge in its Data Center segment. But beneath the surface of this AI-fueled momentum lies a more complex reality: margin erosion, geopolitical overhangs, and valuation multiples that defy g

NOV: Undervalued, Overlooked, and Cash-Rich

The market, however, seems to underprice NOV more akin to a cyclical, margin-sensitive commodities player rather than a structurally repositioned energy and industrial enabler with inherent leverage to infrastructure, decarbonization, and digitalization trends.

Nvidia Q1 FY2026 Earnings Preview: Navigating Peak AI Optimism Amid Valuation Gravity

But as the momentum on earnings starts to normalize and valuation squeezing gets closer, the Q1 print can be the fulcrum for how markets discern hardness from exuberance.

Lilly's Secret Growth Engine Unleashed

In contrast with the general assumption that Eli Lilly (LLY) is priced for perfection, the Q1 2025 numbers indicate the company's stock is in the nascent stages of a strategic turning point.

Uber’s Quiet Transformation Pays Off

For decades, Uber (UBER) has been unfairly stereotyped as a growth-at-all-costs, volatile, unprofitable gig platform that is always reliant on growth, incentives, and subsidies. That narrative is now fundamentally shattered.

The Shift Inside AMD No One Sees

Tradingkey - The general story in the case of AMD (AMD) today is one of decent growth, careful optimism, and competitive catch-up.

HIMS: When Overvaluation Isn’t What It Seems

TradingKey - The stock market is sending mixed messages about Hims & Hers Health (HIMS). On the plus side, the shares are trading higher by approximately 16% for the day, continuing a red-hot YTD run; on the other, the stock looks overvalued on paper with GAAP P/E and EV/EBITDA multiples several tim

Supermicro's Silent Power Play

TradingKey - Few stocks embody the beat of AI infrastructure demand more than Super Micro Computer (SMCI). Having emerged as a leading rack-scale integrator to hyperscalers and AI-born workloads, Supermicro has been surfing the wave of Nvidia’s GPU supremacy with almost uncanny coordination.

Ford’s Earnings Crossroads

TradingKey - Ford’s (F) Q1 2025 financials represent a key inflection point in the company’s multi-year transformation story. Profit Squeeze from Tariffs: Adjusted EBIT fell 63% YoY to $1.0 billion, with tariffs cutting $200 million in Q1 and $1.5 billion expected for FY25.

Enphase's Rebound Starts in Silence

TradingKey - Revenue dropped 72% YoY to $1.33 billion, but gross margins held firm at 47.3% GAAP and 48.9% non-GAAP with IRA credits. Generated $480 million in free cash flow and ended 2024 with $1.72 billion in cash, highlighting capital discipline amid contraction.

Disney’s Quiet Rally Just Began

TradingKey - Operating income rose 15% YoY to $4.4 billion in Q2 FY25, driven by a 37% surge in DTC and 12% growth in Experiences. Free cash flow exceeded $8.5 billion TTM, supporting buybacks, CapEx, and valuation upside as Disney monetizes streaming and parks more efficiently.

GM’s Great Disconnect

TradingKey - GM trades at a steep discount, with a forward P/E of 5.0x—67% below sector median and 32% under its 5-year average. FY2025 EBIT-adjusted guidance was cut by $3 billion –$4 billion due to a projected $4–$5B tariff impact, despite strong U.S. margin performance at 8.8%.

Palantir’s AI Empire Emerges

TradingKey - In a model-building-obsessed market, Palantir Technologies (PLTR) has taken a radically distinct path, one that’s proving not only sustainable but also dominant. Revenue soared 39% YoY, with U.S. commercial growth hitting 71%, confirming Palantir's shift to core enterprise AI...

Berkshire’s Pause: Strategy, Not Stagnation

TradingKey - The market tends to read inertia as stagnation. Berkshire Hathaway's (BRK.A) (BRK.B) own $347 billion cash hoard has caused renewed suspicion of capital deployment, as skeptics cite lagging returns and soaring cash ratios.

CVS Health 2.0: Leaner, Smarter, Stronger

TradingKey - In the midst of a chaotic healthcare environment of price scrutiny, margin pressure, and shifting consumer behavior, CVS Health (CVS) has undertaken a conscious shift: less bulk, more acuity.

Tencent Q1 2025 Earnings Preview: A Critical Inflection Below the Surface

TradingKey - As Tencent (TCEHY) is set to report Q1 2025 earnings today after the market close, the market's eyes remain on macro headwinds-China's slow-moving consumer recovery, regulation overhangs, and the unfolding AI race. But the more compelling fundamental narrative below the surface is that

Apple’s Strategic Evolution in Q2 FY25

TradingKey - Apple (AAPL) has long excelled at the nexus of hardware greatness, software integration, and brand affection. But Q2 FY25 presents a picture of a grownup goliath honing its operating playbook while building the foundation for future expansion outside of devices.

SOFI: The Invisible Infrastructure of Modern Banking

TradingKey - On the surface, SoFi (SOFI) is seemingly another finance app competing on superficial user interfaces and reward gimmicks.

Tesla’s Next Act: Betting on AI, Energy, and Operating Leverage Amid Demand Uncertainty

TradingKey - In spite of the market's preoccupation with Tesla's (TSLA) deceleration of delivery volumes and margins contraction, the far more important transformation is happening quietly beneath the surface.

Microsoft's $70B Quarter: Valuation or Bargain?

TradingKey - Amongst a market awash in AI hype and hyperscaler aspiration, Microsoft (MSFT) is notable not so much by joining the trend but by structurally defining it.

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