Of course they do, because saying otherwise you'd be implying markets were fully efficient. In that case any type of non-indexed investing and trading would be an exercise in futility.Quote from oilfxpro:
Why should lagging data and information produce future profits and provide an edge?
rice has fallen , stochastic is x crossover , DAILY/4 hour bars are down .....this is all relying on past information and often too late to be profitable.