Buyback ETFs Look To Turn It Up A Notch In The Fourth Quarter By: Benzinga via Benzinga October 01, 2015 at 15:50 PM EDT Entering Thursday, PowerShare BuyBack Achievers Fund (ETF) (NYSE: PKW), the largest buyback exchange-traded fund, sported a year-to-date ... Read More >> Related Stocks: Sentinelone Inc Cl A Tradr 2X Long Spy Weekly ETF