Econ 101 never deals with the effect of fear on the level of demand. Further, it never acknowledges that a market is a discounting mechanism of price; i.e. that it operates on not what is known today, but what its participants expect for tomorrow. Thirdly, Econ 101 never informs students that fear, as a demand factor, accelerates superquickly given the existence of fear-inducing events, but subsides only slowly.
I learned all that in entry-level Economics (actually, it was Economics 110 - Intro to Microeconomics). It's called a supply shock and this has been a textbook example so far.