Hearsay
You may have heard your neighbor say he can. Or a family member. Or a co-worker. It may be a question that you kick around in your head once in a while. Especially when it seems "obvious" that it is time to buy or sell in the market.
Secrets
Maybe there is a secret rule out there that you could find, if only you knew the right person? With all of the "smart" people that claim to have a special strategy to beat the market, how do you know who's right?
What if there is a better way to answer the question?