But there's a small problem that might bother some investors. The average price-to-earnings ratio and price-to-book value ratio of Vanguard S&P 500 ETF are 27.7 and 4.9, respectively. For Vanguard S&P 500 Growth ETF, those figures are 34.6 and 9.4, respectively. The growth-focused version of the S&P 500 is looking really expensive right now.

Investment management firm Vanguard offers a variety of exchange-traded funds (ETFs) that allow investors to target a specific theme or sector at a low cost. With just 0.04% expense ratios, meaning $0.

A seemingly unstoppable flood of money has Vanguard Group Inc. on the brink of claiming a crown that State Street Corp. has held for decades.

Having one or two go-to ETFs to invest in every month can make investing a breeze and save you a lot of time. The key is, however, to find some solid ETFs you can trust and feel confident about, knowing that you're putting your money into the best fund suited for your strategy.

Vanguard exchange-traded funds (ETFs) are a fantastic choice for retired investors looking to play the long game with their portfolios. Undoubtedly, Vanguard is a name that passive investors can put their trust in.