QQQ vs. SPY vs. DIA: Which ETF is the ultimate winner?
bigjom jom / Shutterstock.com Invesco QQQ Trust (QQQ) owns 29.22% of its assets in just four companies led by Nvidia with 9.89%. QQQ charges an expense ratio of 0.20% and focuses heavily on technology exposure. SPDR Dow Jones Industrial Average ETF (DIA) has 30 blue-chip stocks with Goldman Sachs as its largest holding at 10.4%….