Share Markets are on edge as rising tensions around Iran shake global sentiment and trigger sharp volatility in Indian equities. Gaurav Goyal breaks down the ongoing turmoil in the Sensex and Nifty, driven by surging crude oil prices and escalating geopolitical risks. Is this just a temporary correction or a deeper market fall? Or could this volatility open up smart buying opportunities for investors? Sector-wise winners and losers... What investors should do next?