ProShares launched the first ETF investing only in retailers principally selling online or through other non-store channels. The ProShares Online Retail ETF focuses on the players in the space "iconic companies like Amazon and Alibaba, whose rise is reshaping the retail world. ONLN expands ProShares' lineup of Retail Disruption ETFs, which includes ProShares Decline of the Retail Store (EMTY) and ProShares Long Online/Short Stores ETF (CLIX).