ETFs to Buy: ProShares UltraPro QQQ (TQQQ) The ProShares UltraPro QQQ ETF (NASDAQ: TQQQ ) gives 2x daily exposure to the moves of the Nasdaq 100 . Tech sector leadership should lead to relative strength for the TQQQ on the way up. 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.