RIO. Why It's On Watch: RIo is an GREAT! money maker. Daily movements are awesome, it can gap up or down several dollars in a blink that's good and bad if you are not carefully. DO NOT HOLD OVERNIGHT EVER!!!!!!! Be Nimble. Watch Their News. images.investorshub.advfn.com/images/uploads/2011/11/9/twcluCapture.PNG