On July 20, 2012 we saw three ETFs exhibit abnormal behavior after hours -
all three ran the ask price (and the NBBO) to the moon in a matter of 20
What was even more curious were the symbols involved - CURE SICK COWS (we're not making this up).
Below is an animation of the sequences in each, note the symbol cycling through each new animation:
As of August 3, 2012 it would appear that they have decided to kill the SICK COWS rather than CURE them: Dead SICK COWS Read more HERE.
How to read this sequence
Nanex Ongoing Research