Some interesting things about stocks:

The US dollar is going down:

WTI crude is going up:

Perhaps the reason it is being manipulated like this is partly because Saudi Arabia is basically a massive welfare state dependant on oil, and if the oil price remains low, then without a raise in prices, the Saudi population might get restless and rebel:

No more new cars or furniture, says king as oil slump forces cuts on Saudi Arabia http://www.theguardian.com/world/2015/oct/08/no-more-new-cars-furniture-king-oil-slump-forces-cuts-saudi-arabia

Saudi Arabia is worried – and not just about its kinghttp://www.theguardian.com/commentisfree/2015/sep/29/saudi-arabia-king-salman-spending-gulf

This is also related to stocks although I'm not PRECISELY sure how.

Perhaps currency devaluation for bad manufacturing data.
Perhaps someone has stopped liquidating.