COPYCAT STOCK MARKET INVESTMENT IS VERY DANGEROUS FOR INDIVIDUAL INVESTORS!!
There are many reasons for the questions: Why is copycat stock investing dangerous?. I am covering some of the aspects regarding the same in this post. READ CAREFULLY
1. Holding diversification becomes too difficult to achieve: Institutional Investors or Big investors hold different stocks from almost every domain in their portfolio, they have lot of money for ensuring that their risk is mitigated by a diversified portfolio. Such a diverse portfolio is too hard to match for a retail investor because of money crunch, hence they are not able to diversify and hence face a greater risk of a loss from their investment portfolio. The main reason of big investors making profits from their investments over time is 'Diversified stock portfolio'