I'm not saying it's the most reliable or even the most profitable...
indicators that show a stock price just beginning to move north can be useful. They're not always right, of course, but the idea is to catch a move north at the onset rather than 80 percent into it.
The inverse is true for making a short trade.
The Nasdaq's third tier, the AMEX can be just as bad, and last but not least, the OTC, it seems, are financial venues that reward failure.