Trader Brian Jones on Twitter: "Everyday there are small stocks making 200% moves higher. Some trading as much as 200 million shares in a day. It's a big business now. Stocks like $IZEA this week and $GNUS last 2 days. But it's tricky. The moves are volatile." / Twitter

Everyday there are small stocks making 200% moves higher. Some trading as much as 200 million shares in a day. It's a big business now. Stocks like $IZEA this week and $GNUS last 2 days. But it's tricky. The moves are volatile.