CFRA’s Todd Rosenbluth recaps ETFs at the halfway point of the year, covering everything from Vanguard’s domination to DFA’s entrance into the space.  ETF.com’s Drew Voros offers perspective on 2020’s ETF launches and closures, including highlighting several new Covid-inspired offerings.  ETFMG’s Sam Masucci discusses the recently launched ETFMG Treatments, Testing, & Advancements ETF (GERM).