Identifying trends early and sticking to them is considered an important part of the wealth creation process through stocks. Aditya Birla Sun Life Mutual Fund believes every market cycle favours different sets of industries. A study of cycles since 2002 show the top five performing sectors vary in each market cycle and the variation in returns among the best- and worst performing industries during a cycle is wide, underscoring the importance of picking the right themes. The fund house has spotted five themes which it believes will help investors generate alpha over the medium-to-long term.