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Short squeeze
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In finance, a short squeeze is a rapid increase in the price of a stock that occurs when there is a lack of supply and an excess of demand for the stock.
Short squeezes result when short sellers cover their positions on a stock. This can occur if the price has risen to a point where short sellers must make margin calls, or more loosely if short sellers simply decide to cut their losses and get out. (This may happen in an automated manner for example if the short sellers had previously placed stop-loss orders with their brokers to prepare for this eventuality.) Since covering their positions involves buying shares, the short squeeze causes an ever further rise in the stock's price, which in turn may trigger additional margin calls and short covering.
Short squeezes are more likely to occur in stocks with small market capitalization and small floats, although can involve large stocks and billions of dollars, as happened in October 2008 when a short squeeze temporarily drove the shares of Volkswagen on the Xetra dax from 210.85 euros to over 1000 euros in less than two days, briefly making it the most valuable company in the world.[1]
In the time from of 2/17/10-2/18/10 (2 days) CCTC Clean coal technologies went from .0449 to .42, an increase of nearly 1000% due to naked shorting and recently being on the REGSHO list.
At the very least, do no harm
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