Equity markets consists of various sectors. Businesses in each of these sectors have their own cycles of growth, stagnation and recession at different stages in their individual life. Over a period of time a pattern emerges for each of these sectors and these patterns tend to repeat with varying degrees of similarity and periods. In financial parlance, there patterns are known as cycles. The trigger points for these cycles could vary from sector to sector. If you an individual with an ability to read these cycles, then you can very well capitalize this knowledge in stock markets.