Stocks move in momentum bursts of 8 to 40%
The momentum bursts move from start to finish can be over in just 3 days
Lower priced stocks tend to make bigger moves of 20 to 40%.
Lower float stocks also tend to make bigger move.
A combination of low price and low float can be dynamite.
For example look at ERB
What is the float on it 4.8 million
in 2 days it is up 50%
If you want to find stocks like these read my posts from few days ago which goes in to details of finding these kind of stocks :