First is was lowering interest rates, then massive selling of interest rate swaps, then massive selling of volatility futures, and massive selling of alternative investments like gold and silver, and probably energy too.
We have however have reached the point of marginal utility. Interest rates are zero, the largest open short interest in silver ever, and the largest sell off in volatility ever. These are just the tools I can readily see. Math and physics are taking over, we are reaching infinite intervention amounts with less and less effect.
Please take a look at the charts from www.fiatflaws.blogspot.com. Simply stunning, and ties into my thesis from last week. Talk about blowing your wad.