What can Indian investors learn from S Korea's ₹190 lakh crore market crash?

South Korea's AI-driven stock rally turned into a $2 trillion (around ₹190 lakh crore) market wipeout as margin calls triggered forced selling. With India's margin trading book surging to ₹1.44 lakh crore, experts urge investors to avoid excessive leverage, diversify holdings, size positions carefully and use borrowed money only for stocks they can confidently hold through market volatility.