Retail investors saw their wealth erode by ₹10 lakh crore as benchmark indices declined for the third straight trading session on Tuesday. Sensex settled 384 points lower at 73,511.85, whereas the Nifty slipped 140 points to 22,302.50. The India VIX index, which measures volatility in Indian stock markets, also surged 5% in intra-day deals on Tuesday to a 52-week high.