BankNifty future after breaking a trendline gave a pullback till trendline resistance and started falling again. It opened Gap down on negative global market cues. It traded and closed negative and below 200 MA on 45 min. chart throughout the day. We may get a bounce back if global market supports. In any bounce back till previous support which is 35700 can be a sell opportunity. View is negated if it closes above 35700.