analyzing the trend will lead you to understand what proper actions to take with this downfall moments, panic most of the time leads you to make wrong decisions, if you are still wondering what to do its good to think twice and reassess anything that come inside your mind, speculations will come correctly if you have good understanding with any events that showing around the market.
of course, don't make decisions when we feel panic. we need to overcome the panic we experience. with conditions like now I think it's natural that many feel panic, but try to overcome them.