I've mentioned previously that 24400 is the floor. If this doesn't hold. The next floor is at 23360.
24000 has been test three times. It has often been said by traders and analysts alike, "rarely do things survive the third hit". I am anticipating it to break and all of 2018 to be reversed out. I am anticipating a return to 23300 with a test of that level (and possible failure).
If it fails, that green bar on the chart is the next support level.