Stock market does not pertain to India only, but there are other indices all over the world as well.
Indices work on the basis of the global trends, demand and supply of the stocks and the current market situations.
Major indices across the world include NASDAQ of USA, European Markets include CAC of France and Asian Markets include SGX Nifty, Nikkei 225 of Japan.
US Stock market NASDAQ was founded on 08th February, 1971 Works from Monday to Friday from 9:30 Am to 4:00 Pm and the market capital is 29.58 Billion Dollars.
CAC is in France was founded on 31st December 1987 Works from Monday to Friday from 9:00 Am to 5:30 Pm according to Central European Standard Time (GMT+01:00) and has a market capital of 2.386 Trillion Euros.
Nikkei 225 is of Tokyo Stock Exchange was founded on 7th September 1950Works from Monday to Friday and from 9:00 Am to 11:30 Am and then from 12:30 Pm to 3:00 Pm (GMT+09:00).
SGX (Singapore) Nifty which runs from 6:30 Am to 11:30 Pm which is the longest trading hours across the world Trading is done for 5 days a week, which is Monday to Friday. .