I've never been very convinced on the alleged pervasiveness of the PPT. It seems like a convenient catch-all in most cases (i.e. misattribution of an error term.) That being said, the after-hours returns are a bit unnerving.
There has been a lot of chatter about this in various quarters. One notable factor is quick, massive trades coming right before closing.
It's worth noting that the Plunge Protection Team was quite open at some points at least. It was called "The Committee to Save The World" by Time magazine in a cover story.
Global Research itself is a conspiracy site - perhaps the most sane conspiracy site but still a conspiracy site.
Interesting article, although the submission title is awful.
The level of USG intervention in finance, industry, and possibly now the stock market is beginning to remind me of Japan Inc of the '80s. America Inc anyone?