How many stocks should you have in your portfolio? This polarizing question always sparks debate. A simple way to add diversification is with an ETF such as the Vanguard S&P 500 ETF (VOO -0.84%), but at what cost? In the video below, I discuss the best number of stocks to buy for long-term investors. I also cover how to build a stock portfolio for new investors and provide examples.

*Stock prices used in the below video were during the trading day of September 9, 2022. The video was published on September 10, 2022.