Tech View: Nifty could retest 18400-18450 levels. What should traders do on Friday?

Nifty has formed a bullish candle with a longer lower shadow, indicating support-based buying. It needs to maintain a hold above 18281 zones for upswing towards 18400 and 18442 levels. India VIX’s declining volatility gives strength to bulls. Broader trading range is between 18000 and 18600 zones while an immediate trading range is between 18100 and 18500. The index can consolidate, but the structure is turning in favor of bulls. Resistance is seen at 18,500, and support is at 18,200. Traders should book profits on rallies and look for opportunities to buy on dips.