Yesterday daily charts candle broke thru supports 17350, 17285, 17170. Now nifty daily support resting on 16800 range will not hold as the daily candle yesterday completely pierced thru the body of previous support candle in that zone.
Buy zone will be shifted to 16300 zone as per weekly charts.
Nifty even if opened above from yesterday close may break thru the existing support @16800-16775 range. Please follow 20, 50 DMA lines also for resistance & supports.