On February 19, four stocks from the Nifty500 universe that gained over 4% were highlighted in the RSI Trending Up scan, based on data from StockEdge.com. It is an uptrend signal when the RSI value crosses above 50 from below. “RSI trending up” means that the Relative Strength Index (RSI) values are increasing, suggesting strengthening momentum in the price of the stock. This can indicate potential upward movement and may be used by traders to identify buying opportunities.