First, I want us to to keep in mind that markets tend to fall or even crash in the winter months for various reasons. As always these are never guarantees, especially with the FOMC as actively buying securities. However, wise traders have always covered both sides of their trades, and investors can learn from this. When appropriate they should cover the ups, downs, and black swan events that effect them as much if not more than professional traders.
I found this to be a good starting point. Many of these topics we have covered, but there is some valuable info in here:
Disclosure: Long Position in SLV GLD TZA