Bank Nifty has been trading in down trend and trading in bearish channel respecting support and resistance, It closed last week with positive sign. It seems bank nifty may trade in upside movement up to the bearish channel resistance somewhere between 19100-19120 in near term. traders may enter long in bank nifty on retest of the support or near the support (buy on dip) or if breakout occurs downward exit with small stop loss.