 Invesco FTSE RAFI US 1500 Small-Mid ETF NYSEARCA:PRFZ traded down 3.4 during mid-day trading on Thursday . The company traded as low as 102.86 and last traded at 102.95, 85,700 shares changed hands during mid-day trading. A decline of 61 from the average session volume of 221,641 shares. The stock had previously closed at 106.56. ... 