September 26, 2026

USA

Why Rising Bond Yields Crush Growth Stocks: The Valuation Math Investors Often Miss

Why do growth stocks fall when Treasury yields rise? I break down discount rates, equity duration, valuation math and the cases where higher yields do not mean lower stock prices.

Mehr lesen

Micron Stock: AI Memory Has Turned a Cyclical Business Into a Scarcity Trade

Micron’s HBM boom has transformed margins, cash flow and customer contracts. I examine whether the stock still offers value after its extraordinary 2026 rerating.

Mehr lesen

Amazon’s $220 Billion AI Capex: AWS Growth Is Strong Enough—For Now

AWS growth accelerated to 37% while Amazon lifted 2026 capex to $220 billion. I examine backlog, free cash flow and whether the spending still creates value.

Mehr lesen

Tesla Cybercab Is Finally Moving. The Stock Still Needs Robotaxi Economics.

Tesla is preparing its Cybercab rollout while capex surges and auto margins stay weak. I examine what robotaxi economics must deliver to justify the valuation.

Mehr lesen

Nvidia’s $105 Billion OpenAI Guarantee: When Chip Demand Starts Financing Itself

Nvidia may guarantee up to $105 billion for an OpenAI data-center lease. I examine what this says about AI demand, circular financing and Nvidia’s valuation.

Mehr lesen

Why Rising Bond Yields Hit Tech Stocks So Hard: A Practical Duration Guide

Long-term bond yields are rising and tech stocks are selling off. Here is the valuation math behind duration, discount rates and why growth shares react so violently.

Mehr lesen

Amazon: AWS Is Accelerating. The AI Capex Bill Is Accelerating Faster.

AWS growth accelerated sharply in Q2, but Amazon’s AI infrastructure spending pushed free cash flow negative. I examine whether the investment cycle is creating enough value.

Mehr lesen

Nvidia Stock After Q2 FY2027: $96 Billion of Revenue—and the Working-Capital Shadow

Nvidia’s Q2 FY2027 revenue reached $96.2 billion. A close look at margins, cash conversion, AI financing, China risk and the $5.09 trillion valuation.

Mehr lesen

Marvell’s Google AI Chip Deal Is Huge. The Dilution Is the Price of Admission.

Google’s custom-AI-chip agreement could generate enormous revenue for Marvell, but the warrant can also dilute shareholders. I examine what the deal is really worth.

Mehr lesen

Tesla’s Cybercab Launch Is the Test the Valuation Can No Longer Avoid

Tesla is preparing a broader Cybercab rollout while auto margins remain thin and AI spending rises. I examine what robotaxi economics must deliver to justify the valuation.

Mehr lesen