The market reaction reflects a combination of index-related demand and improving macro sentiment. Reddit’s S&P 500 inclusion could support near-term institutional buying, although valuation and user-growth risks remain. Softer-than-expected PPI reduced concerns about renewed Fed tightening and supported record equity levels, though underlying inflation remains above target. Meanwhile, Ackman’s Netflix investment provides a positive sentiment catalyst and signals renewed confidence in its long-term earnings potential after his earlier exit.