Today will be gap up opening in banknifty. After opening if it's sustain above 41050 level then it will continue bullish rally towards the 41450 to 41950+ level in today's session. Now downside only possible if banknifty starts trading below 40950 level. Upside 41450 will act as a crucial immediate resistance level. In case banknifty gives breakout of this resistance and starts trading above 41550 then there will be strong 400-500+ points upside rally possible.
