Surfer, I my personal experience about 1 in 7 pays off. This is very much like Vegas! If you minimize your losses on the six that do not succeed, the one that does can be significantly rewarding.
Engineer, I am in the same boat as you but I am completely out as far as holding. I am continuing to watch with an eye to coming back when, and if, they can get these management and regulatory issues resolved. They still have IMO a well thought out marketing plan that could be hugely successful.
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