What it is:
How it works (Example):
The basic idea behind sector rotation is that the economy operates in cycles. At various points in the cycle, certain business sectors will perform better than others. For example, consumer discretionary stocks are most attractive during the early stages of an economic recovery when consumer demand begins to build.
A sector rotation strategy divides the economy into various sectors, as shown in the diagram below. Sector rotation also assumes four stages in the business cycle: early recovery, recovery, early recession and recession. Various sectors become more or less attractive at different stages in the cycle.
Source: Business Week
Why it Matters:
However, investors should recognize that sector rotation is a general theory based on past stock market performance and that there is no that any particular stock will follow these patterns in the future.