Low priced stocks on shorter time frame can make bigger moves than high priced stocks.
When you hear things like only focus on high priced stocks or funds don't buy small stocks. Respectfully agree with the person (because there is no point in arguing with beliefs), but do your own digging.
Especially if you have small accounts, you would be giving up good opportunity by neglecting low priced stocks.
Here is a list of top 25 ranked stocks by 21 day momentum:
Best performing stock in 21 days
These stocks made biggest moves in last 21 days. Look at their starting price. And you can go back and see this data for last few months or years. You will see similar pattern.
Small stocks often move in 20 to 40% momentum bursts in 3 to 5 days.