Tech View: Nifty forms bearish engulfing top as 18K turns make-or-break level. What traders should do on Thursday

Indicators such as MACD and RSI were slightly skewed on the negative side. Analysts say that the physiologically-important level of 18,000 is now becoming a make-or-break zone for the index.Options data suggests a broader trading range between 17,600 to 18,600 zones, while an immediate trading range in between 17,900 to 18,300 zones.