Wednesday, August 26, 2026

Market Indices & Concentration

1 article

QQQ's 46% Annual Return Driven by AI Infrastructure Concentration in Mega-Cap Tech

The Invesco QQQ ETF delivered 46% returns in 2025 and 456% over 10 years, powered by AI infrastructure investments in mega-cap technology companies. The top holding crossed $3 trillion market cap as AI-focused stocks drove index performance, raising concerns about concentration risk and valuation levels reminiscent of the 1995 internet boom.

LM Salvado•Apr 12, 2026

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What we're seeing

AI Leadership Exodus Rattles Investor Confidence Amid Capex Boom

High-profile departures at top AI labs — Brad Lightcap's exit from OpenAI and an unnamed researcher's departure from Alphabet/Google that triggered a share-price drop — are surfacing talent retention as a market risk factor even as hyperscalers pour record capital into AI infrastructure. The reaction shows investors treating key-person risk at frontier AI labs as material to valuation, a new fragility layered onto an otherwise bullish AI-driven capex cycle.

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Signals we're tracking

EPKINLY Regulatory-Clinical Success Cascade

High probability of expanded label indications, additional combination approvals, and competitive positioning strength in follicular lymphoma market. Predicts positive commercial uptake and potential accelerated review for related indications.

Patterns we're watching ›

Where sources disagree

Broadcom Inc.

Both facts report EPS for Broadcom Inc. for the same fiscal period (Q1 2026) observed on the same date (2026-02-01). However, they report conflicting values: 1.5 USD per share vs 2.05 USD per share. This is a 37% difference for the identical metric and time period, not a value change over time.

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