ETFs to Buy: Direxion Daily Small Cap Bull 3x Shares (TNA) The Direxion Small-Cap Bull 3X Shares ETF (NYSEARCA: TNA ) gives 3x daily exposure to the Russell 2000 Small-Cap Index and is thus only appropriate for advanced traders. Target a move to the 1,550 region - which translates into a 10%-plus gain for the TNA from current levels. While the overall CPI was slightly ahead of expectations, the core measure that removes the effect of food and fuel prices remains tepid at a 1.8% annual rate.