Here is a link to video from my appearance on Max Keiser's On The Edge, where we talked about market making, high frequency trading, flash crashes, deflation and hyperinflation.
Deflation
U.S. Inflation at 44-Year Low as Retail Prices Fall – NYTimes.com
– Posted in: Links"Subdued prices suggest that a more pressing concern could be deflation, which occurs when weak demand causes prices to fall. But whether deflation arises depends on the strength of the economic recovery and whether demand can remain strong even as government stimulus efforts expire." via U.S. Inflation at 44-Year Low as Retail Prices Fall - NYTimes.com.