See the stock prices here:
A breakdown of some the stocks:
Ubitex makes it easy for you to meet someone in person, and do the transaction face-to-face. And since you pay in cash, face-to-face, fraud is nearly eliminated.
SkepsiDyne Integrated Node is a mining company that is publicly listed on GLBSE.com under the ticker SIN. As of June 19, we've sold 1,547 shares, and sold the BTC raised for over $9,000. We currently have 9 rigs producing ~8.1 Ghash/sec.
Some more stats for SIN
As far as I can tell it's another mining company?
Yet another mining company
CentiMine: Anonymous mini-mining contracts
Another mining company