Nifty cmp 18565. Put writers started covering shorts. Option data suggesting that any time market can give surprise to Bulls. Keep strict stoploss to long positions. Technically, market nearing to All time Highs, Double top pattern. Negative Divergence at market highs, a warning bell to Bulls. Next crucial supports at 18050-18000 zone. Bears can strike back anytime at this juncture. Regards, Suryadev Bandari Research Analyst