Investors Shift Focus Amid Tariff Uncertainty Amid ongoing tariff shocks, ETF flows have highlighted investor strategies. ProShares UltraPro QQQ and Direxion Daily Semiconductor Bull 3x Shares saw inflows exceeding $1.3 billion each, signaling optimism for tech recovery. Conversely, SPDR S&P 500 ETF suffered $3.9 billion in outflows, reflecting broader market caution.12