Sorry for n00b question but is there an index like sensex or Nifty that includes the sum total of the entire stock market?

How to choose first stock to invest money in

In my opinion, it is better that you experience loss at first, when you are new, when you are capital is less. And ensure that you learn this lessons and fix your mistakes, as you grow, your mistakes will- prove costlier

Wish you all the best. Never fear losses, but learn to manage them.

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