SPX 4400-4355 is no mans land. Below 4355 we're in free fall territory to 4300 followed by 4250-4200 and extreme 4175.
Above 4400 we can test 4450-4460 and over that a squeeze potential to 4510.
Above 4400 we can test 4450-4460 and over that a squeeze potential to 4510.