A low float stock has few shares available for trading, so a burst of buying can move it very fast; momentum day traders hunt these names on news days. This list shows NYSE and Nasdaq stocks with fewer than 20 million float shares that are up more than 10% today on at least 3 times their 21-day average volume and more than 500,000 shares traded, biggest gainers first. Low float stocks move fast in both directions; size positions accordingly.
