On Sunday, the Invesco Nasdaq 100 ETF (QQQ) turned 25 years old. The more than $250 billion ETF is the fifth largest ETF behind three S&P 500 ETFs and one even broader U.S. equity ETF. Some have thought of QQQ as a technology ETF or a collection of stocks with little in common besides trading [...] The post Happy 25th QQQ appeared first on ETF Trends .