State Street的广泛市场ETF SPY与Invesco的科技聚焦ETF QQQ，哪只更优？
· finance.yahoo.com
QQQ回报更高，而SPY费率更低且股息收益率更高。
The State Street SPDR S&P 500 ETF (NYSEMKT:SPY) provides broad-market exposure at half the cost of Invesco QQQ Trust, Series 1 (NASDAQ:QQQ), which offers concen...