Shares of Invesco FTSE RAFI US 1500 Small-Mid ETF (NASDAQ:PRFZ – Get Free Report) saw unusually-strong trading volume on Tuesday . Approximately 369,593 shares changed hands during mid-day trading, an increase of 177% from the previous session’s volume of 133,565 shares.The stock last traded at $37.54 and had previously closed at $36.84. Invesco FTSE RAFI […]