What is a demat account and a trading account — and what is the difference? What is equity and how is it different from debt? What is Bid Price and Ask Price? What is the difference between equity and preference shares? What is market capitalisation and what does it tell you about a company? What is 52-week high and low and what does it indicate? What is the face value, book value, and market value of a stock? What is PE ratio and EPS — and why do investors look at them? What are large-cap, mid-cap, and small-cap stocks?