Tech View: Nifty ends above 20-DMA for 3rd day. What traders should do on Friday

Nifty is currently placed at the edge of moving above the minor down- trend line resistance around 21,900-21,950 levels. A decisive break above this hurdle could open the doors for new all-time highs around 22,150 levels. Immediate support is at 21,800, said Nagaraj Shetti of HDFC Securities.