- Initial breakdown at 382 showed that QQQ had a trouble - Losing 200 DMA at 365 confirmed the bull-to-bear transition - Potential rebound or support will be 300 where multiple peaks and lows were made.
You could also argue that the September low was ineffective because it didnt quite reach the 342 level required for successful backtest of the resistance formed during the first half of last year. Perhaps this is just establishing that as support now