Code U3: Trading Halt - Extraordinary Events Trading is halted because FINRA has determined that an extraordinary event has occurred or is ongoing that has had a material effect on the market for the OTC Equity Security or has caused or has the potential to cause major disruption to the marketplace and/or significant uncertainty in the settlement and clearance process.
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6 years later, still waiting for details
IMHO
Always, always do you own DD. Only invest funds you can afford to lose and trust nobody but yourself.