I stopped paying attention to my stocks a couple months ago. Their system for trading stocks at the penny level is extremely flawed and that deterred me from continuing to make any real attempt at it. It is a good idea to not allow penny stocks for future competitions.
In other news, I joined a competition on another site that has better penny stock mechanics. Everyone started out with only 1000 dollars, which is a more realistic money cap when trading penny stocks. No one actually puts down 50,000 on penny stocks such as what we were doing in our competition here. Most of the penny stocks people trade don't even see $50,000 worth of stock traded in a week, or even a month. I put down all 1,000 that I started with in VDSC and was a part of the legendary historic rise it made over a couple of weeks. It went from .0017 (where I got in) to .016 (where I sold at the peak). My $1,000 turned into $9,400 for almost a 900% gain. I am now well over a 1000% gain with a month left in the competition.