Once the stock is revoked (and that is pretty much guaranteed) they could theoretically re-register the stock via a Form 10 and audited financials. They would then need to find a MM willing to sponsor a Form 211 to come back to quoted trading.
But unfortunately that is highly unlikely.
Anyone who owns HITOR stock currently will own stock in a private company after it is revoked.
When HITOR stopped filing it had very few assets, significant liabilities and no apparent functional business other than spending money it got from stock sales and promissary notes.
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