SPX 30 chart: the purple fork shows a possible 5 wave (extended B in S wave) with a minimum 1.618 x A = 3924 or lower. Note: A strong swing up would typically have a run over into the next day http://stockcharts.com/c-sc/sc?s=%24SPX&p=30&yr=0&mn=3&dy=0&i=p79585325340&a=307755350&r=1645737044823&r=1645737197059