MDGC shares can be sold, but at the bid, which is the highest amount someone is offering to pay per share. The ask is the lowest amount at which someone is offering to sell their stock.
A high bid/ask spread is an indication of low liquidity and a risk factor to buyers. Since late April, MDGC has tended to have extremely large bid/ask spreads with people buying at the ask unable to sell for anywhere close to what they paid.
IMO, the ask was manipulated up with small buys to appear higher than market by insiders trying to lure in buyers so the company could get higher prices for shares issued for cash or services. Be wary of buying stocks with a high bid/ask spread as you can become trapped and can only get out with a loss.
Today there were only two trades, one initiated as a sell at the bid of $.0014 and one initiated as a buy at $.0020. If you want to sell you're stock, you'll most likely have to sell at the bid.
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