S&P 500 – Downward pressure is building.S&P 500SPCFD:SPXTong_Duy_PhuongThe S&P 500 has completed a rebound to 7,782; the market may be entering the initial phase of a sharper decline. 7,782 is a critical invalidation level: if the index surpasses this mark, the potential for a short-term decline will weaken.