Excel's basic formulas work fine for simple calculations, but they quickly become cumbersome when you're dealing with complex data analysis. You end up with nested functions that are hard to read, ...

Don't let Excel move on without you.

If Excel is not using threads efficiently, calculations may take a long time to complete. Learn how to speed up calculating threads in Excel.

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...

Investing in the S&P 500 index offers exposure to 500 of the largest U.S. companies, simplifying diversified investing. Historically, the S&P 500 has returned an average of over 10% annually, ...

Sarrah Shah has 11+ years of experience working in the financial industry. She began writing financial articles for Investopedia in 2015. Robert Kelly is managing director of XTS Energy LLC, and has ...

Nasdaq Composite includes only Nasdaq-listed common stocks, excluding ETFs and preferred stocks. It is market-cap weighted, meaning larger companies have more influence on index performance. Investing ...