New York Stock Exchange (NYSE) includes several sector indices, which reflect the productivity of companies in different sectors of the economy. Some of them: – S&P 500: index, which includes 500 largest companies by market capitalization in the United States, covering various sectors of the economy, Such as technology, healthcare, energy, etc.. – Dow Jones Industrial Average (DJIA): index, which includes 30 largest companies in the USA, representing various sectors of the economy, such as finance, industry, technology, etc. – NASDAQ Composite: index, which includes more than 3000 companies, traded on the NASDAQ exchange, Most of which are companies in the technology sector. – S&P 500 Health Care: index, which includes companies in the healthcare sector, such as manufacturers of pharmaceuticals and medical devices. – S&P 500 Energy: index, which includes companies in the energy sector, such as oil and gas producers, companies manufacturing equipment for the energy industry, etc.