What could change the trend/sentiment (cycle)?

I have done the analysis.  I have an opinion on what the market will do.  So I ask myself - what are the catalysts that will cause the market to change.  Cycles don't happen in a vaccuum. 

So here is a list of things we will (may) see in the next couple of months:

• Fed starts monetizing debt (QE2)
• GM IPO set for Nov 18
• 99ers run out of unemployment benefits in December (big time) http://finance.yahoo.com/news/Congress-Next-Big-Issue-How-cnbc-1362708062.html?x=0&sec=topStories&pos=main&asset=&ccode=
• Possibly a huge tax increase in January

In my opinion none of these things are good for sentiment (market) and could lead to a change in the market trend (cycle top).

Feel free to add to the list under comments.  I am sure there are many I never though about.