Wed, May 22, 2013, 12:53 PM EDT - U.S. Markets close in 3 hrs 7 mins
I may be wrong, but I was told that you cannot short a stock that's valued under $5 a share. Could someone please answer this question for me.
http://www.investopedia.com/university/shortselling/shortselling1.asp
I'm a newbie, but I think you might be talking about margin-ing a stock.
buying a stock with the idea it will go down
Depends on your broker, your account value, and/or your cash balance.