TA is nonsense. Only functions as a self-fulfilling prophecy on big markets.
TA is not a nonsense, self fulfilling prophecy because you can never underestimate the other guy's greed. There's always going to be someone wanting to take profit on any type of significant increase, or seeking to profit on bargains. As soon as people see any signals that the upside potential has stalled, here comes the profit taking. Now that you've learned how TA works, go forth into the world my son.