If I was only allowed to own one investment, it would be the Vanguard S&P 500 ETF ( VOO 0.20%). This is Vanguard's flagship S&P 500 index fund. As the name suggests, this ETF tracks the S&P 500 ( ...
There's no harm in researching the stocks Buffett buys for Berkshire Hathaway. But make sure you only buy the ones that make sense to you. That list may or may not include Domino's Pizza, but there ...