Big Movers on D-St: What should investors do with RVNL, Nykaa and BHEL?

After a long correction, the stock took support near Rs 55 level and bounce back sharply. Post reversal, the stock rallied over 15% and also formed a long bullish candle on daily charts.However, the short-term texture of the stock is still volatile and non-directional perhaps, traders are waiting for either side confirmation.