34 industries · free

Industry explainers

How a supply chain works, explained for U.S. investors. Each page covers where the bottlenecks are, what drives prices and profits, U.S. data and policy, common misreadings, and free sources to track it. Written in English for the U.S. market, not translated.

Start with the logicOne line on what really drives the industry
Find the bottleneckThe slowest, most concentrated step sets the pace
Avoid misreadingsA hot theme is not the same as profits

中文版:产业链科普(中国视角)→

Energy and power

Metals and farm commodities

AI and semiconductors

Vehicles, industry and health

This page explains the structure and supply-demand logic of an industry for educational purposes. It does not refer to any specific security and is not investment advice. Figures are dated and sourced; they may have changed since, so check the latest official data.