I think to some extent its true as we can see that most of the times the market gives respect to its previous support and resistance so it can be said that its true but as everyday is a new day and we expect something new and the market moves in a new direction so I must say to some extent its true. Agr ap history ko dekh kr future ki predictions kr rhy hn to sub key point us me yehi ho ga k ap history ka subse top point or subse low point per focus krein ku k bad me yehi point market k liye support r resistance ka kam krty hn or market pull back krti ha.