Maybe, but logic would have dictated reducing risk and/or securing puts when this traded over $12. That's wise decision making not based on greed. Buying NWBO at $4-$5, watching it run over $12, and then fall to $1.50 over the next 11 months without selling a single share or securing a single put, and even buying on the way down, to me shows the same pervasive emotional decision making I witnessed at the poker table from losing players.
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