Nifty on Friday ended 65 points higher and found support at 20-DMA to form a small body-positive candle with minor lower shadow on the chart to signal buying at lower levels. Overall uptrend status of Nifty remains intact and there's a possibility of further upside towards 22,000 levels in near term. Any dips down to 21,600-21,500 levels could be a buying opportunity, said Nagaraj S. of HDFC Sec.