Top 10 ETF.

ETF market is booming. Let's have a look which ETF are currently the biggest in terms of assets value. SPY is still leading and has also biggest nominal increase year on year basis. Among top 10, the highest percentage assets increase has been seen for Emerging market EEM (63%). Followed by Gold GLD 51%.
That's where ETF money had flowed in last 12 months.

ETF	Ticker	Assets ($ mil)
SPDR Index 500	(SPY)	75,121
iShares MSCI-EAFE	(EFA)	47,363
iShares MSCI-Emerging Mkts	(EEM)	26,285
iShares S&P 500	(IVV)	18,994
PowerShares QQQ	(QQQQ)	17,727
SPDR Equity Gold	(GLD)	16,247
iShares Russell 1000 Gr	(IWF)	13,447
iShares Russell 2000	(IWM)	10,485
Vanguard MSCI Total Market	(VTI)	10,422
iShares Lehman 1-3 Yr Treas	(SHY)	9,279