Qqq and BRK. B can be regarded as science and technology and...

Qqq and BRK. B can be regarded as science and technology and traditional two styles respectively, the difference between stocks and funds need not be too concerned about. QQQ is a stock fund, BRK is a stock, but the underlying portfolio can be seen as a diversified fund. $Brookside Energy Ltd(BRK.HK)$ $Invesco QQQ Trust(QQQ.US)$ can be used as A savings account to save money over time