On Wednesday NQ opened below 4330 support which triggered massive algo sell programs that tanked NQ down recent swing low before trading sideways the rest of the day. Late day profit-taking rally push NQ back up toward 4330 broken support-now resistance.
On Thursday 4330 will remains as key price level to watch.
-- Failure to break-back above 4330 could attract algo sell programs that can tank NQ back down to re-test 4270-4280 swing low.
-- Breaking above 4330 could trigger shot-covering that can send NQ back up to re-test recent high, 4380, but there are several resistance levels, 4340, and 4350 that can halt the rally.