Wow, there is something going on. I put a sell at $20 for 100 shares. The ask went from $50 to $20 for a about 5 minutes, then it jumped back to $50. I thought, "What the...". Then I checked my account and I got filled for 10 shares sold at $20 with 90 shares still pending. They must not want to show any ask below $50. I'm assuming that they don't have to show offers under 100 shares. Not sure, but this is looking very interesting.
It's not having what you want, but wanting what you've got -Cheryl Crow
DRat