FYI:manipulation A little heavier reading. You're going to need a slide rule to follw this one. There is some good info on matched trades similar to those going through on TLNO right now(There,I'm on-topic) <A HREF="http://www.fma.org/Chicago/Papers/ShortSellingManipulationPaper.pdf" target="_blank">http://www.fma.org/Chicago/Papers/ShortSellingManipulationPaper.pdf</A>