What are the three major stock Indices? The major stock Indices are the S&P 500 (US 500), the DJ30 (US 30)and NASDAQ 100 (US TECH100). Aiheeseen liittyvät artikkelit What is the S&P 500? What is the DJ30? Will my Index position rollover? What should I do if the credit card I used to deposit has since expired? How do I clear cache on my mobile device?