NAS - price broke through that last low that was created with momentum pushing past the lowest point (17790) before the highest point (18498) was reached.
That would signify a CHoCH and we are continuing a bearish outlook.
With ICC, after a new low is made in the market (Indication) we can expect a pullback/retracement (Correction), before the continuation.
We will be looking for sells under the 17880 area to the recent lows created (after the correction is completed)