SPY and ZTWO, two popular exchange-traded funds (ETFs), have recently seen significant inflows. Investors are pouring money into these funds, likely due to their strong performance and potential for growth. SPY and ZTWO are attracting attention from investors looking to diversify their portfolios and capitalize on market trends. The influx of capital into these ETFs indicates a growing interest in passive investing strategies. Overall, the increasing inflows into SPY and ZTWO suggest that investors are optimistic about the future performance of these funds.