Domestic equity markets continued to bleed for the fourth consecutive session amid a broad-based sell-off. All the sectoral indices ended the day in the red with the Nifty Realty, Metal, and PSU Bank indices dropping up to 3 per cent. The Nifty Pharma, Private Bank, and Auto indices, meanwhile, skid up to 2%. But what's driving this volatility in the markets and is it here to stay? FYI has the answers for you.