The closest I come is investing in "iShares Nasdaq Biotechnology (IBB)" which has been very good to us over the past five years. However, I have had the feeling of late that ship is slowing down.
IMHO, we are in an over-valued market and much thought is needed for any buy/sell decisions right now.
"It's tough to make predictions, especially when it involves the future." ~Attributed to many
"In theory, there is no difference between theory and practice. But, in practice, there is." ~(perhaps by) Yogi Berra
"Those who have knowledge, don't predict. Those who predict, don't have knowledge."~ Lau tzu