The lower indicator in this chart is a 2-day percentage rate of change for HIO (High yield bonds). It just measures how much price change has occurred since two days before. When we see a drop of greater than 2% over a two day period, that is usually a great sign of a short term bottom for the overall stock market.
Next is Dem President reelection:
A fight that broke out in the corn pits of the Chicago Board Of Trade earlier this week. Apparently it was a fight over an order. One trader thought that the other trader stole one of the others' orders. (I covered DBA short days ago)