Instead, realize that you just took advantage of a bull market in biotechs. We're not that smart. Focus your time where it's the most productive. Plan for your future and divide up your investments accordingly. Diversification - Diversification provides your portfolio the ability to weather downturns in the market.
Diversification works best during a full market cycle.
Consider mutual funds and different types of mutual funds as ways to diversify your portfolio. As we have said many times here, it's been easy to say your an aggressive investor when the market is generally moving upward. Can you say that you'll be aggressive when the market is just moving downward. Know your own risk level and invest accordingly. If you want to sleep at night, we suggest a diversified portfolio aimed at your own risk level.