ETF Flows Report for 12/20/2013 By: ETF Channel December 20, 2013 at 10:49 AM EST . orttr { font-family: Arial; font-size: 12pt; font-weight: bold; height: 24px; } . Read More >> Related Stocks: S&P 500 Growth Ishares ETF S&P Midcap 400 Growth Ishares ETF SPDR S&P 500 ETF Trust