The booming stock market had lured a diverse set of people into believing that leveraged trading would lead to quick riches. Nutan Lugani, a former banker and financial counsellor, writes about the many lives that are shattered by the stock market crash

We call him our ‘Nano’ customer, since he is the youngest. All of 23, tall and smart, he breezed in wearing jeans and a T-shirt, reeking of...