Tech View: Nifty slips below 21EMA. What traders should do on Friday

Nifty declined 216.05 points 1% at 22,488.65 on Thursday, led by strong selling pressure in most sectors. It has now reached the support cluster of 22,460–22,500, where support parameters in the form of the 20-day moving average and the 50% Fibonacci retracement level are placed.