The Vanguard S&P 500 ETF (NYSEMKT: VOO) includes all the companies from the S&P 500 index itself, which are some of the strongest and most stable corporations in the country. With surging inflation, ongoing supply chain issues, the continued spread of the COVID-19 omicron variant, and the Federal Reserve's recent announcement that it plans to hike interest rates this year, many investors are feeling uncertain about the future. To make it onto this prestigious list, organizations must be fundamentally solid with a long history of earning positive average returns.