US500 chart is bullish, with price above a major ascending trend line, potential for bullish continuation to first resistance. First support level at 3903.06 is a strong multi-swing low support, with second support at 3843.60. First resistance level at 4001.11 is a multi-swing high resistance, with second resistance at 4007.26, a swing high resistance. Breaks below first support or above first resistance could trigger moves to second support or resistance levels.