$GameStop (GME.US)$ The total market value is very large ($6...

The total market value is very large ($6.445 billion), and the market value in circulation is very small ($4.336 billion). In other words, this stock appears to be a large-cap stock, but in fact, the amount that can be traded is very small, thereby driving up the stock price. Of that amount, 2.1 billion was shorted.