Nifty 50 is India's benchmark stock market index, representing the weighted average of 50 of the largest and most liquid companies listed on the National Stock Exchange (NSE). It covers key sectors of the Indian economy, including financial services, IT, energy, consumer goods, and more, providing a comprehensive snapshot of market performance. Maintained by NSE Indices Ltd, Nifty 50 is widely used by investors, traders, and institutions to gauge the health of the Indian stock market. The index is rebalanced semi-annually and serves as a benchmark for mutual funds and ETFs.