Let's say you're a retail investor who wants to put some money in some stocks of large US-listed firms. What do you do? You go to a big brokerage firm, probably associated with a well-known bank or an established financial services firm. The relationship manager gives you a list of documents required to open a demat account. It takes about a week on average to make your account live. Then, you receive some recommendations from the brokerage firm to invest in some stocks. You either go by the advice or use your own intuition to pick up a few. Also,