Few thoughts that were running in my mind today:
Why would daytraders and scalpers choose a more expensive stock (over $10) when it is easier to get in and out with a cheaper stock (providing it has liquidity and range)?
What if traders of different styles combined (daily chart dip buyers, intraday bottom fishers, new buyers coming in, shorts covering,etc.) see what they're looking for in a stock that is below $10 buy at the same time?
Would it be illegal if all the members of Elite Trader or another group (combined funds would most likely be comparable or greater than a particular institution/market maker/ax holding the stock captive) buy one particular stock and force the shorts to cover - creating a short squeeze?