The allure of achieving incredible gains in short time periods has many investors looking to strike it rich picking biotech stocks. But it's also attracted the attention of many fund companies, which are looking to capitalize on the average investor's interest in a more diversified form of biotech exposure. While my personal preference for the longer term investor looking to invest in biotech is to target a basket of stocks, in the following video, I detail one of the popular biotech ETF options that, in my opinion, investors should avoid.