This document discusses how to analyze industries and find the story that situates a company within its industry context. It explains that an industry consists of competitors producing substitutable goods or services. Industry trends impact stocks and should be evaluated by considering factors like competition, barriers to entry, and technological changes. Competitors can be identified by assessing substitution and size. The 4 Ps of marketing - product, price, place, promotion - should be analyzed at the industry and company level. Both macroeconomic data and a company's positioning relative to industry trends should be part of telling the industry story for a stock.