swings, break outs etc.. they all still work now.
The issue is to remember the trend and avoid fighting it.
If you believed in the countertrend rally in the Nasdaq before christmas, and played the short term break outs, you are likely crying now.
However, swing traders who did remember the actual trend, did short NAZ above 2500 or when it broke out the low again [depending on your system]. And THAT was the break out to play.
It still all works. But many, and I was among them, forgot why it worked during the bull run and the mania : thanks to the trend.
The same is working now, but the trend is reversed for the Naz, that's it. Many confuse hope and reality. Trade the reality.
If you use a system which is biased by your hope [let's say Nasdaq should go up], you will systematically (!) trade your hope, not the market. And if they are different [hope and market] you loose.