Evidence for investment questions

Investment questions,
answered with evidence.

ETFpedia starts with the questions an investor or answer engine must resolve: what changed, which companies benefit, how adjacent themes differ, what could disprove the thesis, and which same-region ETF provides access. Every answer stays tied to dated primary sources.

Questions that require evidence

Each question names its subject and decision task, and links only to a page that already answers it in the body or FAQ.

  1. 01 How do Korean financials fit a dividend strategy? Dividend Income Investing
  2. 02 How do generators like Constellation differ from SMR developers like NuScale and Oklo? Optical networking vs nuclear SMR: two AI-infrastructure plays
  3. 03 What is Hyundai Mobis's role in the robotics value chain? Hyundai Mobis (012330)
  4. 04 What are the risks for Advantest? Advantest (6857)
  5. 05 What did Alphabet report most recently? Alphabet (GOOGL)
  6. 06 How can investors access Robotics & Physical AI? Robotics & Physical AI
  7. 07 How do the six pillars of Korea Manufacturing Core Alliance fit together? Korea Manufacturing Core Alliance
  8. 08 How do the risks of Asia Memory Semiconductor and US AI Semiconductor differ? Asia memory vs US AI semiconductor: two sides of the AI chip trade
  9. 09 What is Samsung's role in the Asia memory semiconductor concept? Samsung Electronics (005930)
  10. 10 What are the risks for Apple? Apple (AAPL)
  11. 11 What did Amkor report most recently? Amkor Technology (AMKR)
  12. 12 Is there an ETF that tracks the US AI semiconductor concept? US AI Semiconductor

Themes

  1. 01 AI Infrastructure AI infrastructure is the picks-and-shovels of the AI build-out (chips, networking, optical interconnects, and power) starting with optical networking.
  2. 02 AI-Resilient Investing AI-resilient investing means owning physical, real-world businesses that AI cannot easily copy or automate: mining, freight, infrastructure, and more.
  3. 03 Allied Manufacturing Supply-chain realignment toward trusted partners (friend-shoring), with South Korea a core node supplying AI memory, batteries, ships, defense, and power gear.
  4. 04 Batteries & Energy Storage Next-generation solid-state batteries and grid-scale energy storage (ESS), a market BloombergNEF expects to reach about 2 TW / 7.3 TWh by 2035.
  5. 05 Defense & Rearmament The global rearmament cycle since 2022, led on exports by South Korea, whose Top 100 arms makers grew revenue 31% to $14.1 billion in 2024.
  6. 06 Dividend Income Investing Dividend income investing: the evidence from S&P Dow Jones Indices and Fama-French, and Korea's value-up driven high-dividend financials as the 2026 case.
  7. 07 Robotics & Physical AI Robotics and physical AI is the bet on machines that perceive and act in the real world (humanoids, cobots, automation) as AI moves from screens to bodies.
  8. 08 Space Economy Companies that build and launch spacecraft (upstream) and sell services from orbit (downstream); a $613B market projected to reach $1.8T by 2035.

All investment concepts

  1. 01 AI Advanced Chip Packaging AI advanced chip packaging is the back-end that builds AI accelerators: CoWoS, HBM stacking, and hybrid bonding, from TSMC and Amkor to Hanmi and Besi.
  2. 02 AI Capacitors (MLCC) AI capacitors are the MLCCs that power AI servers; an AI server uses many times more than a traditional one. Led by Murata, Samsung Electro-Mechanics, and TDK.
  3. 03 AI CPU The AI CPU concept covers the host and server CPUs that orchestrate AI accelerators in the agentic era: NVIDIA Vera and Grace, AMD EPYC, Intel Xeon, and Arm.
  4. 04 AI Electricity & Nuclear SMRs AI's power crunch is reviving nuclear. The AI electricity and SMR theme covers NuScale, Oklo, Constellation, and the firms powering data centers.
  5. 05 AI Inference Infrastructure AI inference infrastructure is the serving side of AI: the chips, clouds, networking, and power that run trained models in production, from NVIDIA to Vertiv.
  6. 06 AI On-Devices AI on-device runs AI locally on phones, PCs, and edge hardware using on-chip NPUs, from Qualcomm and Apple to Arm, Samsung, and Micron.
  7. 07 Asia Memory Semiconductor How Korea, Japan, and Taiwan came to dominate DRAM, NAND, and HBM, and why the 2025-2026 AI memory supercycle runs through ten Asian companies.
  8. 08 China Memory & Storage China's drive to make its own DRAM and NAND: the CXMT and YMTC IPOs and the listed proxies GigaDevice, Montage, Longsys, and Ingenic.
  9. 09 Global Space Technology Global space technology is the worldwide space theme: about 30 developed-market companies from Rocket Lab and Viasat to Avio, MDA Space, and Astroscale.
  10. 10 Google (Alphabet) AI Value Chain The Google (Alphabet) AI value chain lets investors own Google's AI supply chain (TPUs, foundry, optical, networking, servers) rather than just Alphabet stock.
  11. 11 Heavy Asset Low Obsolescence (HALO) HALO covers U.S.-listed physical-economy companies whose value sits in real assets like mines, railroads, and billboards that AI cannot easily copy or replace.
  12. 12 Hyundai Motor Robotics Value Chain How Hyundai Motor Group built a vertically integrated robotics value chain, from Boston Dynamics and Atlas down to the Korean affiliates that supply the parts.
  13. 13 Korea AI Power Infrastructure How Korean transformer, cable, ESS, and fuel-cell makers became the marginal suppliers of the hardware AI data centers run on, and how to invest in it.
  14. 14 Korea AI Semiconductor Korea AI Semiconductor groups Korea's AI memory and packaging leaders: Samsung, SK Hynix, Hanmi, and Samsung Electro-Mechanics.
  15. 15 Korea Defense Industry The Korea defense industry theme is long exposure to South Korean arms makers riding a record export boom led by Hanwha Aerospace, Hyundai Rotem, and KAI.
  16. 16 Korea Financials & Holdings High Dividend How Korea's Corporate Value-up Program, Commercial Act reform, and dividend tax relief are re-rating high-dividend banks, insurers, and holding companies.
  17. 17 Korea Manufacturing Core Alliance Korea Manufacturing Core Alliance is a friend-shoring theme covering Korean leaders in AI memory, batteries, ships, defense, the grid, and robotics.
  18. 18 Optical Networking & Photonics Optical networking (photonics) moves data with light and is a fast-growing AI-infrastructure theme led by Ciena, Coherent, and Lumentum.
  19. 19 Silicon Supply Chain The silicon supply chain: the production stack behind every chip, from foundry and wafer-fab equipment to silicon wafers, substrates, and materials.
  20. 20 Solid-State Batteries & Energy Storage Solid-state batteries are the next-gen EV cell and ESS stores grid power, a Korean-led energy theme anchored by Samsung SDI and LG Energy Solution.
  21. 21 U.S. Space Tech U.S. space tech is the commercial New Space theme: U.S.-listed upstream builders and downstream operators led by Rocket Lab, AST SpaceMobile, and Planet Labs.
  22. 22 US AI Data Center The US AI data center concept covers the U.S.-listed companies behind AI's physical build-out: CoreWeave, Nebius, IREN, Oracle, Vertiv, Arista, and more.
  23. 23 US AI Semiconductor The US AI semiconductor concept covers the U.S.-listed chipmakers behind the AI build-out: NVIDIA, Broadcom, Intel, AMD, Micron, TSMC's ADR, and more.

How ETFpedia is built

A research-driven reference for investment concepts. Every fact is grounded in a primary source (company filings, regulatory disclosures, and peer-reviewed research), cited inline and dated, with figures refreshed after each earnings report.